ShinyHunters exploited an Oracle PeopleSoft zero-day to steal data and extort roughly 100 organizations, including the Council of Europe, for up to $2.3M.
Between May and early June 2026, the ShinyHunters group exploited a critical zero-day in Oracle PeopleSoft across about 100 organizations and 300 instances worldwide, per reports cited by The Register. Stolen records included employee and student personal data, payroll, tax, financial and health information, plus immigration and passport documents. AgentCypher.ai estimates extortion demands of $400,000 to $2.3 million per victim, typically in Bitcoin; the Council of Europe refused to pay. The article uses the incident to argue for Zero Trust, supply-chain risk management, rapid patching, encrypted distributed backups and defined recovery-time objectives.
OpenAI released its Agents API in public beta, exposing the infrastructure behind Codex and ChatGPT for building long-running cloud agents.
OpenAI launched the Agents API as a public beta, letting developers build cloud-based agents that can run for hours, execute code, and process files on the same infrastructure that powers Codex and ChatGPT. Features include automatic context management, parallel tool use, and task delegation to sub-agents, with a choice of OpenAI-hosted sandboxes or partner environments from Cloudflare, Vercel, and Oracle. The API builds on the open-source Codex harness and supports MCP, custom functions, and built-in tools such as web search, with no extra fees beyond token-based billing.
OpenAI launched the Agents API in public beta, exposing the Codex agent harness, managed sandboxes, and multi-agent orchestration to developers.
OpenAI introduced the Agents API in public beta, giving developers the same agent harness and infrastructure that powers Codex through a single API call specifying task, model, tools, and environment. It supports OpenAI-managed sandboxes, customer infrastructure, or partner environments from providers including Cloudflare, Modal, E2B, Vercel, Oracle, DigitalOcean, Blaxel, Daytona and Runloop. Features include automatic context compaction for long sessions, tool search and programmatic tool calling to reduce token usage, and multi-agent support for parallel subagents. The harness is open-source Codex code; there are no extra API fees during beta, with developers paying only for tokens and tools used.
ZDI detailed an uninitialized memory flaw in Oracle VirtualBox's VirtioSCSI (CVE-2026-71132) allowing local attackers to disclose sensitive information.
Zero Day Initiative published ZDI-26-640, a CVSS 5.3 information disclosure vulnerability in the VirtioSCSI component of Oracle VirtualBox. An attacker must first run high-privileged code on the guest system before the uninitialized memory issue can be used to disclose sensitive information. The flaw is tracked as CVE-2026-71132. The advisory reports no exploitation activity.
ZDI disclosed a heap-based buffer overflow in Oracle Outside In Technology's PostScript parsing (CVE-2026-60412) enabling user-triggered remote code execution.
Zero Day Initiative published ZDI-26-636, a CVSS 7.8 heap-based buffer overflow in PostScript file parsing within Oracle Outside In Technology. Remote attackers can execute arbitrary code when the target opens a malicious file or visits a malicious page, making user interaction a requirement. The vulnerability is tracked as CVE-2026-60412. The advisory reports no exploitation.
ZDI disclosed memory corruption in Oracle Outside In Technology's WPS file parsing (CVE-2026-60414) enabling user-triggered remote code execution.
Zero Day Initiative published ZDI-26-638, a CVSS 7.8 memory corruption vulnerability in WPS file parsing within Oracle Outside In Technology. Remote attackers can execute arbitrary code on affected installations by convincing the target to visit a malicious page or open a malicious file, so user interaction is required. The issue is tracked as CVE-2026-60414. The advisory reports no exploitation.
ZDI disclosed CVE-2026-71114, an out-of-bounds read in Oracle VirtualBox VirtioSCSI letting privileged local guest attackers disclose sensitive information.
The Zero Day Initiative published advisory ZDI-26-641 for an out-of-bounds read vulnerability in Oracle VirtualBox's VirtioSCSI component, assigned CVE-2026-71114 with a CVSS score of 6.1. The flaw allows local attackers to disclose sensitive information on affected installations. Exploitation requires an attacker to first obtain the ability to execute high-privileged code on the target guest system.
ZDI disclosed CVE-2026-60392, an integer overflow in Oracle Outside In PDF parsing enabling remote code execution, rated CVSS 7.8.
The Zero Day Initiative published advisory ZDI-26-635 describing an integer overflow vulnerability in PDF file parsing within Oracle Outside In Technology. Successful exploitation allows remote code execution but requires user interaction, such as opening a malicious file or visiting a malicious page. ZDI assigned the flaw a CVSS rating of 7.8.
ZDI disclosed a heap-based buffer overflow in Oracle VirtualBox's VMSVGA component (CVE-2026-71116) enabling local privilege escalation.
Zero Day Initiative published ZDI-26-639, a CVSS 7.5 heap-based buffer overflow in the VMSVGA component of Oracle VirtualBox. Local attackers who already execute high-privileged code on the guest system can leverage the flaw to escalate privileges on affected installations. The vulnerability is tracked as CVE-2026-71116. No exploitation is reported.
ZDI disclosed an integer overflow in Oracle Outside In Technology's GEM file parsing (CVE-2026-60413) enabling user-triggered remote code execution.
Zero Day Initiative published ZDI-26-637, a CVSS 7.8 integer overflow in GEM file parsing within Oracle Outside In Technology. Exploitation requires user interaction, such as opening a malicious file or visiting a malicious page, and results in arbitrary code execution on affected installations. The flaw is tracked as CVE-2026-60413. No exploitation activity is reported.
ZDI publishes ZDI-26-642 for CVE-2026-60159, an out-of-bounds read local privilege escalation in Oracle VirtualBox IDisplay, rated CVSS 7.5.
Zero Day Initiative published advisory ZDI-26-642 describing an out-of-bounds read in Oracle VirtualBox's IDisplay component that enables local privilege escalation. Attackers must first obtain the ability to execute high-privileged code on the target guest system. ZDI rated the issue CVSS 7.5 and assigned CVE-2026-60159.
ZDI publishes ZDI-26-644 for CVE-2026-60155, a race condition local privilege escalation in Oracle VirtualBox VMSVGA, rated CVSS 7.5.
Zero Day Initiative published advisory ZDI-26-644 describing a race condition in Oracle VirtualBox's VMSVGA component. Local attackers who already execute high-privileged code on the guest system can escalate privileges on affected installations. ZDI rated the issue CVSS 7.5 and assigned CVE-2026-60155.
ZDI publishes ZDI-26-643 for CVE-2026-60162, an out-of-bounds read information disclosure flaw in Oracle VirtualBox VMSVGA, rated CVSS 6.1.
Zero Day Initiative published advisory ZDI-26-643 describing an out-of-bounds read in Oracle VirtualBox's VMSVGA component. Local attackers with the ability to execute high-privileged code on the guest system can disclose sensitive information. ZDI rated the issue CVSS 6.1 and assigned CVE-2026-60162.
Microsoft's September Patch Tuesday fixes a record 974 flaws, including two actively exploited Windows zero-days and critical DNS and Windows Shell bugs.
Microsoft released fixes for 974 vulnerabilities, its largest-ever monthly patch batch, bringing the 2026 total above 2,600. Two zero-day privilege elevation flaws, CVE-2026-81963 and CVE-2026-85880, are being actively exploited. Critical bugs include CVE-2026-69730, an unauthenticated DNS weakness in Windows Server 2012 onward and Windows 10 deemed likely to be exploited, and CVE-2026-69829, a CVSS 9.8 Windows Shell remote code execution flaw requiring no privileges or user interaction. Microsoft and other vendors credit AI-assisted discovery for the growing patch volumes.
McKesson discloses a data theft extortion attack by ShinyHunters affecting oncology and medical-surgical customers, with a reported $55 million demand.
McKesson disclosed that attackers gained access to some of its third-party applications and stole data associated with a subset of customers in its oncology, multispecialty, and medical-surgical business units; the intrusion ran for four days from August 21 and was discovered August 25. ShinyHunters claimed responsibility and listed McKesson on its data-leak site, reportedly demanding more than $55 million with a September 1 deadline. Flashpoint analysts say the group typically uses social engineering and identity weaknesses with valid credentials to access cloud-hosted environments, making the intrusion hard to detect. McKesson, which distributes about one-third of pharmaceuticals used in North America with $403.4 billion in annual revenue, says operations continue and it has reasonable assurance of no ongoing unauthorized activity.
CISA added actively exploited Oracle WebLogic flaw CVE-2026-21962 (CVSS 10.0) to its KEV catalog, letting unauthenticated attackers access or modify critical data.
CISA added CVE-2026-21962, a CVSS 10.0 improper access control flaw in Oracle HTTP Server and Oracle WebLogic Server Proxy Plug-in, to its Known Exploited Vulnerabilities catalog, citing evidence of active exploitation. Oracle shipped patches in January 2026, and GreyNoise, CloudSEK, and SOCRadar have since reported exploitation attempts, including a lone IP scanning multiple WebLogic, Ivanti, GNU InetUtils, and GLPI vulnerabilities. The flaw is also among several exploited by a China-linked actor delivering the SNOWLIGHT downloader to government and commercial infrastructure in more than 100 countries. Federal civilian agencies must apply fixes by August 27, 2026 under BOD 26-04.
CISA added actively exploited CVE-2026-21962, a CVSS 10.0 unauthenticated flaw in Oracle HTTP Server and WebLogic Proxy Plug-in, to KEV with an August 27 deadline.
CISA added CVE-2026-21962 (CVSS 10.0), an improper access control vulnerability in Oracle HTTP Server and the Oracle WebLogic Server Proxy Plug-in, to its Known Exploited Vulnerabilities catalog and ordered federal agencies to remediate by August 27, 2026. The unauthenticated flaw allows remote attackers with network access to create, delete, or modify critical data, potentially gain broad access, and cause a scope change to other systems; affected versions are 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0. CloudSEK honeypot data from January-February 2026 showed widespread exploitation of the flaw alongside older WebLogic RCEs including CVE-2020-14882/14883, CVE-2020-2551, and CVE-2017-10271.
CISA added actively exploited Oracle flaw CVE-2026-21962 to the KEV catalog; it allows remote unauthorized access to Oracle HTTP Server and WebLogic Proxy Plug-in.
Canada's Cyber Centre updated advisory AV26-042 on Oracle's January 2026 quarterly rollup, reporting that CISA added CVE-2026-21962 to the Known Exploited Vulnerabilities catalog on August 24, 2026. The flaw affects the Oracle HTTP Server and Oracle WebLogic Server Proxy Plug-in in Oracle Fusion Middleware and may allow a remote attacker to obtain unauthorized access. A public proof of concept has been available since January 21, 2026, and fixes shipped in Oracle's January 20, 2026 advisory covering multiple products.
Oracle's August 2026 Critical Patch Update fixes 943 vulnerabilities; Oracle Fusion Middleware and Hyperion received the most patches at 262.
Oracle released its August 2026 Critical Patch Update, addressing 943 security vulnerabilities across multiple product families, including third-party components bundled in Oracle products. Oracle Fusion Middleware and Oracle Hyperion received the highest number of fixes with 262 patches. Several of the addressed vulnerabilities impact more than one product.
Unit 42 found a Muhstik botnet variant brute-forcing Tomato router web authentication to harvest IoT devices for crypto mining and DDoS attacks.
Palo Alto Networks Unit 42 researchers in December 2019 identified a new Muhstik botnet variant scanning Tomato routers on TCP 8080 and brute-forcing default admin credentials, targeting roughly 4,600 exposed devices found via Shodan. The variant also scans WordPress and Webuzo installations and exploits the Oracle WebLogic deserialization flaw CVE-2019-2725 for unauthenticated remote code execution. Muhstik, active since March 2018, self-propagates like a worm and typically monetizes infections through cryptocurrency mining and DDoS attacks controlled via an IRC C2 channel.
Oracle's August 2026 CSPU fixes 925 CVEs across 943 patches, including 154 critical fixes; Fusion Middleware gets 262 patches.
Oracle released its August 2026 Critical Security Patch Update on August 18, addressing 925 unique CVEs with 943 security updates. 154 issues (16.3%) carry a critical severity rating. Oracle Fusion Middleware received the most patches at 262, accounting for 27.8% of the total. Oracle introduced the monthly CSPU cycle in May 2026 as an interim release between quarterly Critical Patch Updates.
Unauthenticated Access Control Bypass in Oracle HTTP Server and WebLogic Proxy Plug-in
CVE-2026-21962 is an improper access control flaw (CWE-284) in Oracle HTTP Server and the Oracle WebLogic Server Proxy Plug-in (components: the plug-in for Apache HTTP Server and the plug-in for IIS), part of Oracle Fusion Middleware. An unauthenticated attacker with network access via HTTP can trivially exploit it, and the scope-change designation means a successful attack can significantly impact additional products beyond the plug-in itself. The attacker gains unauthorized access to critical data (potentially all accessible data) as well as the ability to create, delete, or modify critical data, reflected in the maximum CVSS 10.0 score with high confidentiality and integrity impacts and no availability impact. Organizations running the affected versions - 12.2.1.4.0, 14.1.1.0.0 and 14.1.2.0.0 for Oracle HTTP Server and the Apache plug-in, and 12.2.1.4.0 only for the IIS plug-in - especially those with internet-facing Apache/IIS/OHS front ends proxying WebLogic applications, are exposed. The flaw is being actively exploited in the wild: CISA added it to the Known Exploited Vulnerabilities catalog on 2026-08-24, and EPSS assigns a 42% probability of exploitation within 30 days, though no public proof-of-concept is known.
· Oracle HTTP Server (Oracle Fusion Middleware) 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 · Oracle WebLogic Server Proxy Plug-in for Apache HTTP Server 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 KEVlarge
CVE-2020-14882 is a remote code execution vulnerability in Oracle WebLogic Server; its relationship to CVE-2020-14750 (a WebLogic administration console flaw) indicates it is reachable over the network, likely without authentication. An attacker who can reach a vulnerable WebLogic instance can trigger the flaw and execute arbitrary code in the context of the server. Successful exploitation can yield full control of the affected host, enabling data theft, lateral movement, and potentially ransomware deployment (ransomware use is currently unknown). Any organization running Oracle WebLogic Server is affected; WebLogic is widely deployed as a Java application server in large enterprises and government networks, and instances are frequently exposed to the internet. The vulnerability is listed in CISA's Known Exploited Vulnerabilities catalog (added 2021-11-03) and carries a maximum EPSS score of 100%, indicating confirmed in-the-wild exploitation.
Unauthenticated Remote Code Execution in Oracle WebLogic Server via IIOP
CVE-2020-2551 is a critical flaw in the WLS Core Components of Oracle WebLogic Server that allows an unauthenticated attacker with network access to the IIOP protocol to remotely compromise the server. An attacker sends crafted IIOP requests directly to a listening WebLogic instance and gains takeover of the server, with high impact to confidentiality, integrity, and availability (CVSS 9.8). Oracle WebLogic Server versions 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, and 12.2.1.4.0 are affected, spanning widely deployed enterprise and government middleware environments. CISA added the flaw to its Known Exploited Vulnerabilities catalog on 2023-11-16, and EPSS assigns a 93.2% probability of exploitation within 30 days (100th percentile), indicating active and likely broad targeting. Because exploitation requires only network reachability to the IIOP listener and no credentials or user interaction, internet-exposed WebLogic servers are the primary targets.
Unauthenticated Remote Code Execution in Oracle WebLogic Server
Oracle WebLogic Server (CVE-2017-10271) contains a remote code execution flaw in its WLS Security component, where an XMLDecoder deserialization bug allows unauthenticated attackers to execute arbitrary code. The flaw is triggered by sending specially crafted XML requests to exposed WebLogic HTTP endpoints, so any instance whose WebLogic ports are reachable by untrusted users is at risk. Successful exploitation yields arbitrary code execution on the application server host, and the bug has been widely leveraged to install cryptominers and ransomware payloads. Organizations running Oracle WebLogic Server — particularly instances directly exposed to the internet — are affected, and the flaw has been on CISA's Known Exploited Vulnerabilities catalog since 2022-02-10 with confirmed ransomware use. Exploitation is assessed as essentially certain in the near term (EPSS 100.0%, 100th percentile), and defenders should treat it as an actively exploited, high-priority issue.
· Oracle WebLogic Server KEV ransomware PoC ×3large
High-Privilege Console Flaw in Oracle WebLogic Server Enables Full Takeover
CVE-2020-14883 is a vulnerability in the Console component of Oracle WebLogic Server that is exploitable over HTTP by a high-privileged attacker with network access; a successful attack results in complete takeover of the WebLogic Server, with high impact to confidentiality, integrity, and availability (CVSS 3.1 score 7.2). Oracle rates it as easily exploitable (low attack complexity, no user interaction required), and public reporting on the actively exploited WebLogic flaws describes unauthenticated attackers accessing critical data, typically because the required privileged console access is first obtained via the related unauthenticated console flaw fixed in the same October 2020 Critical Patch Update. All supported WebLogic versions listed by Oracle are affected - 10.3.6.0.0, 12.1.3.0.0, 12.2.1.3.0, 12.2.1.4.0, and 14.1.1.0.0 - wherever the administration console is network-reachable. Exploitation is confirmed in the wild: CISA added the flaw to its Known Exploited Vulnerabilities catalog on 2021-11-03 with applying vendor updates as the required action, EPSS assigns a 97.9% probability of exploitation within 30 days (100th percentile), and public reporting describes malware campaigns against exposed WebLogic servers, including the 8220 gang exploiting older WebLogic flaws to deliver infostealers and cryptominers.
Local Privilege Escalation via Link Following in Windows Update Stack
CVE-2026-81963 is a link-following flaw (CWE-59, improper link resolution before file access) in the Microsoft Windows Update Stack, in which the component fails to correctly resolve file links before opening them. A local attacker with low privileges can plant or manipulate a link (symlink/junction) that the privileged update stack follows during operation, redirecting its file access to an attacker-controlled target. The result is local privilege escalation — CVSS 3.1 rates this 7.8 (high) with high confidentiality, integrity, and availability impact — allowing an authorized local user or malware already on the machine to gain elevated rights. Affected products are Windows 11 23H2, 24H2, 25H2, and 26H1 and Windows Server 2025; any unpatched system on those versions is exposed to any local account holder. The flaw was fixed in Microsoft's record September 2026 Patch Tuesday (974 CVEs), was added to CISA's KEV on 2026-09-08 as one of two Windows zero-days reported as exploited in the wild, and has no known public PoC or confirmed ransomware use.
· Microsoft Windows 11 23H2, 24H2, 25H2, 26H1 · Microsoft Windows Server 2025 KEVmass
Unauthenticated Heap Buffer Overflow RCE in Microsoft Windows Shell
CVE-2026-69829 is a heap-based buffer overflow (CWE-122) in the Microsoft Windows Shell. According to its CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N), an unauthorized remote attacker could trigger the flaw over a network without needing privileges, user interaction, or special conditions. Successful exploitation would allow the attacker to execute code on the affected host, with high impact on confidentiality, integrity, and availability. All Windows installations that include the Windows Shell component are potentially affected, though the available data does not enumerate specific vulnerable version ranges. There is currently no known public proof-of-concept, the CVE is not in CISA's KEV, and EPSS assigns roughly a 1.1% probability of exploitation within 30 days; the related headlines note Microsoft's record patch release of 974 flaws included two other exploited Windows zero-days, but no confirmed in-the-wild exploitation of this specific CVE is documented.
· Microsoft Windows Shell (Windows operating system component)mass
Deserialization flaw in Oracle Outside In PDF Export SDK 8.5.8
CVE-2026-60392 is a vulnerability in the Outside In PDF Export SDK component of Oracle Outside In Technology 8.5.8, which Oracle has tagged as deserialization of untrusted data (CWE-502); ZDI's advisory additionally characterizes it as an integer overflow while parsing PDF files that can lead to remote code execution. An unauthenticated attacker who has obtained logon access to the infrastructure where Outside In Technology runs must get a person other than themselves to interact with the system (user interaction required per the CVSS vector) for the local (AV:L) attack to succeed. A successful attack results in takeover of Outside In Technology with high confidentiality, integrity, and availability impact, reflected in the CVSS 3.1 base score of 7.8. Affected organizations are those running the 8.5.8 release of the PDF Export SDK, which Oracle ships within Fusion Middleware and licenses to third-party document-processing products. There is no evidence of active exploitation: no public proof-of-concept is known, the flaw is not in the CISA KEV catalog, and EPSS estimates only a 0.3% probability of exploitation in the next 30 days.
· Oracle Outside In Technology (Outside In PDF Export SDK, Oracle Fusion Middleware) 8.5.8—
Memory Corruption in WPS File Parsing in Oracle Outside In Technology 8.5.8
Oracle Outside In Technology (Outside In Core) version 8.5.8 contains a memory corruption flaw triggered while parsing WPS-format documents, per the Zero Day Initiative advisory. An unauthenticated attacker who has logon access to the infrastructure where the Outside In engine runs must get a person other than themselves to interact with the crafted file, at which point the parsing process is compromised. Successful exploitation results in takeover of Oracle Outside In Technology, with high confidentiality, integrity, and availability impact (CVSS 3.1 score 7.8, local attack vector with user interaction). Because Outside In is a document-conversion/preview engine embedded inside Oracle Fusion Middleware and other products, anyone running an affected deployment that processes untrusted WPS documents is exposed. There is currently no public proof of concept, no listing in CISA's KEV, and a low 0.2% EPSS probability of exploitation within 30 days, indicating no known exploitation activity.
· Oracle Outside In Technology (Outside In Core component), part of Oracle Fusion Middleware 8.5.8niche
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component:
Vulnerability in the Oracle VM VirtualBox product of Oracle Virtualization (component: Core). The supported version that is affected is 7.2.12. Difficult to exploit vulnerability allows high privileged attacker with logon to the infrastructure where Oracle VM VirtualBox executes to compromise Oracle VM VirtualBox. While the vulnerability is in Oracle VM VirtualBox, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle VM VirtualBox accessible data and…
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