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Re: Retrospective by 'gpg.fail' authors

Peter Gutmann replies to gpg.fail retrospective, pointing to PGP's arbitrary packet format as root of many past vulnerabilities.

Peter Gutmann posted a follow-up on oss-security referencing an Hacker News discussion of the gpg.fail authors' retrospective. The thread argues that a recurring source of severe PGP vulnerabilities is the format's permissive packet system, where a PGP message is a practically arbitrary stream of packets. This is discussion and retrospective analysis rather than a new disclosure.

oss-securityupdated 17:16 UTC · 6h agofirst Sep 13, 13:57 UTC · 3d agoResearch 8 sources4

ZDI-26-621: Microsoft Windows UMPDDrvRealizeBrush Improper Object Management Local Privilege Escalation Vulnerability

ZDI disclosed CVE-2026-62712, a CVSS 7.8 improper object management flaw in Windows UMPDDrvRealizeBrush enabling local privilege escalation after low-privileged code execution.

The Zero Day Initiative published ZDI-26-621 covering a local privilege escalation vulnerability in Microsoft Windows' UMPDDrvRealizeBrush component, caused by improper object management. An attacker must already be able to execute low-privileged code on the target system before exploiting the flaw. ZDI assigned the vulnerability a CVSS score of 7.8 and the CVE identifier CVE-2026-62712.

ZDI Published AdvisoriesSep 8, 05:00 UTC · 8d agoAdvisory 4 sources CVE-2026-627121

Telerik UI Padding-Oracle Bug Chained to Unauthenticated RCE — Public Exploit Released

TantoSec published a working exploit chaining a Telerik UI padding oracle to unauthenticated RCE; Progress patched the flaws in July.

TantoSec's Marcio Almeida released a full exploit chain and tooling for the RadAsyncUpload control in Telerik UI for ASP.NET AJAX, turning a padding oracle (CVE-2026-13182) into unauthenticated RCE via an unguarded type-resolution flaw (CVE-2026-13181, CVSS 8.1). Exploitation requires a rendered RadAsyncUpload handler and an explicit non-default encryption key, and took roughly 127,000 oracle requests (about an hour) in lab testing. Versions 2010.1.309 through 2026.2.519 are affected; Progress fixed the chain in 2026.2.708 on July 8, 2026, and no in-the-wild exploitation has been confirmed. A separate RCE chain in RadPersistenceManager and RadDockLayout (CVE-2026-13185, -13186, -13190) was also patched but has no public exploit.

The Hacker NewsSep 7, 11:20 UTC · 9d agoExploit / PoC CVE-2026-13181 CVE-2026-13182 CVE-2026-13183+5 CVEs1

Synology ActiveProtect Manager 2.0 improves AI-driven security

Synology released ActiveProtect Manager 2.0, expanding backup coverage to EC2, Azure, Proxmox and Google Workspace, with AI anomaly detection and malware scanning coming in 2.1.

Synology launched ActiveProtect Manager 2.0 for its DP Series data protection appliances, adding platform coverage for Amazon EC2, Azure VM, Proxmox VE, Nutanix AHV and Google Workspace. The release introduces cross-platform recovery, expanded backup destinations including Azure Blob Storage, and volume-level software storage encryption. The upcoming 2.1 update will add AI/ML anomaly detection tracking change rates, mass deletions and entropy, plus pre-restore malware scanning using Microsoft Defender, Bitdefender and ESET with Auto Fallback to the last clean version.

Help Net SecuritySep 4, 00:00 UTC · 12d agoTools

Plesk Backup Manager Flaw Lets Low-Privileged Users Gain Root Access to Servers

CVE-2026-68488 in Plesk Backup Manager lets low-privileged subscription users exploit a symlink race during restores to gain root on Linux servers.

CVE-2026-68488 is a symlink race condition in Plesk Obsidian for Linux Backup Manager during subscription-content restore operations, allowing a user with Panel and FTP access to change ownership of files outside their subscription and escalate to full root access. Affected versions are Plesk for Linux 18.0.80.6 and earlier and 18.0.79.10 and earlier; Plesk for Windows is not affected. Patches are available in 18.0.80.7 and 18.0.79.11 or later. The flaw requires valid subscription access, so it is not unauthenticated remote code execution, but successful exploitation yields complete server compromise, especially dangerous in shared-hosting and multi-tenant deployments.

Cyber Security NewsSep 13, 04:58 UTC · 3d agoVulnerability CVE-2026-684881

TPMSpy: Validation of Measured Boot Systems by Low-Level Tracing of TPM Usage

Researchers present TPMSpy, a platform-agnostic method validating TPM Measured Boot via low-level tracing, finding inconsistent Linux systemd measurements that break remote attestation and LUKS decryption.

An arXiv paper (2609.05011) introduces TPMSpy, a method that analyzes virtualized system–TPM interactions to independently reconstruct and validate TPM Event Logs without relying on the quoting mechanism, applicable to open and closed systems and demonstrated on Linux and Windows. A longitudinal analysis of Linux systems running systemd versions 245–258 (2020–2025) found wide divergence in Measured Boot usage, undocumented behavioral changes, and no common usage pattern. The authors report inconsistent measurement of user-space systemd services, which prevents reliable remote attestation and LUKS disk decryption on affected systems.

arXiv cs.CRSep 4, 11:23 UTC · 12d agoResearch

Top 10 Best Mobile Device Management (MDM) Solutions in 2026

A 2026 MDM buyer guide ranks ten solutions, recommending Microsoft Intune for Microsoft 365 estates and Jamf for Apple-only environments.

A 2026 buyer guide evaluates ten mobile device management solutions, leading with Microsoft Intune as the default for Microsoft 365 organizations and Jamf for Apple estates. It recommends choosing the enrolment model before selecting a vendor and clarifying BYOD visibility to prevent privacy disputes. Kandji, Mosyle, Omnissa Workspace ONE, ManageEngine, Scalefusion, and Hexnode are covered as alternatives. Guidance ties MDM to Zero Trust data access policies via Apple User Enrolment and Android work profiles.

Cyber Security NewsSep 9, 07:45 UTC · 7d agoIndustry

MaxKernel: Agentic Kernel Generation for TPUs

Researchers open-source MaxKernel, a multi-agent LLM system that generates and optimizes TPU kernels matching expert hand-tuned baselines on JaxBench.

MaxKernel is a multi-agent system offering three paradigms for TPU kernel development: human-in-the-loop collaborative design, a fully autonomous metric/trace-driven optimization loop, and graph-based autonomous search for global exploration. All paradigms draw on a shared pool of specialized sub-agents for planning, implementation, self-debugging, testing, and hardware profiling. Evaluated on JaxBench's 50 diverse TPU kernel tasks and real-world workloads from open-source models, it consistently matches expert hand-tuned baselines. The system is open-sourced via the AI-Hypercomputer GitHub repository.

Hugging Face daily papersSep 2, 20:00 UTC · 14d agoAI tools & infra

ZDI-26-646: Progress Software Kemp LoadMaster escape_quotes Uninitialized Memory Remote Code Execution Vulnerability

ZDI publishes ZDI-26-646 for CVE-2026-8037, an authenticated uninitialized-memory remote code execution flaw in Progress Kemp LoadMaster, rated CVSS 7.2.

Zero Day Initiative published advisory ZDI-26-646 describing an uninitialized memory flaw in Progress Software Kemp LoadMaster's escape_quotes function. Successful exploitation allows remote authenticated attackers to execute arbitrary code on affected installations. ZDI rated the issue CVSS 7.2 and assigned CVE-2026-8037.

ZDI Published AdvisoriesSep 9, 05:00 UTC · 7d agoAdvisory CVE-2026-8037

GDCM <= 3.2.7: six memory-safety and denial-of-service vulnerabilities, no CVE

Six memory-safety and denial-of-service flaws disclosed in the GDCM DICOM parsing library, affecting versions through 3.2.7.

Researcher Abhinav Agarwal disclosed six vulnerabilities in GDCM (Grassroots DICOM), an open-source C++ library for parsing and processing DICOM files. All six were confirmed against GDCM 3.2.6 using AddressSanitizer and UndefinedBehaviorSanitizer, and source review found the vulnerable patterns through version 3.2.7 and the upstream master snapshot. Potential impacts include heap corruption, process-memory disclosure, stack exhaustion, and process termination in applications parsing untrusted DICOM files. No CVE identifiers have been assigned at the time of disclosure.

oss-securitySep 10, 03:35 UTC · 6d agoVulnerability

FlashVector: Agent for Hierarchical Model Serving Stack Optimization

FlashVector agent optimizes all layers of Unity's ad-serving stack, delivering up to 2x model-server throughput and 1.98x latency speedup in production.

FlashVector is an agentic system that optimizes performance across GPU kernels, ML framework computation graphs, model servers, and on-demand feature processing. Deployed in Unity's Vector advertising platform, it achieved up to 2x model-server throughput increase, 1.98x latency speedup, and 1.6x feature-store throughput gain. Optimizations spanned NVIDIA Triton's C++ codebase and the Python feature transformation service, demonstrating extensibility beyond single-kernel tuning.

arXiv cs.AI / cs.LG / cs.CLSep 15, 16:27 UTC · 1d agoAI research

Cortex XDR™ Detects New Phishing Campaign Installing NetSupport Manager RAT

Cortex XDR threat hunters uncovered a phishing campaign delivering the NetSupport Manager RAT via a fake password-protected NortonLifelock Word document.

Unit 42 identified a January 2020 phishing campaign using a Microsoft Word document disguised as a password-protected NortonLifelock file. Enabling macros triggered an obfuscated command that built alpaca.bat in the temp directory, which used msiexec to download an MSI payload from quickwaysignstx.com, filtered on the Windows Installer user-agent string. The payload installed a PowerShell script and the campaign, which has delivered NetSupport Manager RAT since at least 2018, showed related activity dating back to early November 2019.

Palo Alto Unit 42Aug 17, 13:18 UTC · Aug 17, 2026Phishing & fraud in the wild1

ZDI-26-613: (0Day) pdfforge PDF Architect PDF File Parsing Memory Corruption Remote Code Execution Vulnerability

ZDI published ZDI-26-613, an unpatched memory corruption flaw in pdfforge PDF Architect PDF parsing enabling remote code execution (CVSS 7.8).

The Zero Day Initiative disclosed ZDI-26-613, a memory corruption vulnerability in pdfforge PDF Architect's PDF file parsing that allows remote code execution on affected installations. User interaction is required, meaning the target must visit a malicious page or open a malicious file. ZDI assigned a CVSS score of 7.8 and classifies the issue as a 0day.

ZDI Published AdvisoriesAug 31, 05:00 UTC · 16d agoAdvisory

ZDI-26-611: (0Day) pdfforge PDF Architect App Object Out-Of-Bounds Read Remote Code Execution Vulnerability

ZDI published ZDI-26-611, an unpatched out-of-bounds read in pdfforge PDF Architect App Object enabling remote code execution (CVSS 7.8).

The Zero Day Initiative disclosed ZDI-26-611, an out-of-bounds read vulnerability in the App Object component of pdfforge PDF Architect that can lead to remote code execution. Exploitation requires user interaction, such as visiting a malicious page or opening a malicious file. ZDI rated the issue 7.8 on the CVSS scale and marks it as a 0day pending a vendor patch.

ZDI Published AdvisoriesAug 31, 05:00 UTC · 16d agoAdvisory

ZDI-26-542: Microsoft Windows UMPDDrvBitBlt Improper Object Management Local Privilege Escalation Vulnerability

ZDI discloses CVE-2026-62712, a CVSS 7.8 Windows UMPDDrvBitBlt improper object management flaw allowing local attackers to escalate privileges.

ZDI advisory ZDI-26-542 describes improper object management in Microsoft Windows' UMPDDrvBitBlt function, tracked as CVE-2026-62712 with a CVSS score of 7.8. The flaw allows local attackers to escalate privileges on affected Windows installations. Exploitation requires first obtaining the ability to execute low-privileged code on the target system.

ZDI Published AdvisoriesAug 11, 05:00 UTC · Aug 11, 2026Vulnerability CVE-2026-627122

The gpg.fail aftermath: On responsible disclosure, GPG, and the state of security in 2026 [32:37]

A conference talk recounts GPG vulnerability disclosures, notes several GnuPG flaws remain unpatched, and demonstrates novel bugs live.

A researcher who disclosed multiple GnuPG vulnerabilities before 39c3 in December 2025 reports that several flaws, including one allowing spoofed PGP signatures, remain unpatched. Memory corruption in the basic PGP message parser was properly fixed, but GnuPG maintainer Werner Koch declared a widely-used feature 'harmful' instead of patching it. The talk presents additional novel GPG vulnerabilities and commentary on responsible disclosure and LLMs in security.

Lobsters · securitySep 12, 17:24 UTC · 4d agoResearch

ZDI-26-626: Backblaze Personal Computer Backup bzfilelist Link Following Denial-of-Service Vulnerability

ZDI published ZDI-26-626 for a local denial-of-service flaw (CVE-2026-19820, CVSS 6.1) in Backblaze Personal Computer Backup's bzfilelist component.

The Zero Day Initiative published advisory ZDI-26-626 describing a link-following denial-of-service vulnerability in the bzfilelist component of Backblaze Personal Computer Backup. Local attackers must first execute low-privileged code on the target system to trigger the condition. The issue carries a CVSS score of 6.1 and is tracked as CVE-2026-19820.

ZDI Published AdvisoriesSep 9, 05:00 UTC · 7d agoVulnerability 5 sources CVE-2026-19820

ZDI-26-563: (Pwn2Own) Home Assistant Green Simple Service Discovery Protocol Server-Side Request Forgery Vulnerability

ZDI disclosed a Pwn2Own SSRF flaw (CVSS 5.4) in Home Assistant Green's SSDP server, letting unauthenticated network-adjacent attackers trigger arbitrary server-side requests.

The Zero Day Initiative published ZDI-26-563 for a server-side request forgery in the Simple Service Discovery Protocol server on Home Assistant Green. The bug was demonstrated at Pwn2Own and allows network-adjacent, unauthenticated attackers to initiate arbitrary server-side requests on affected installations. ZDI rated the issue CVSS 5.4.

ZDI Published AdvisoriesAug 12, 05:00 UTC · Aug 12, 2026Advisory

Four REVSTEALER-Linked Modules Disable Windows Update and Defender to Run a Crypto Miner

Elastic documents four persistent REVSTEALER-linked tools (ProManager, WinUpdate, SoftManager, LockAppHost); LockAppHost disables Windows Update and Defender to run a crypto miner.

Elastic Security Labs identified four previously unreported executables tied to REVSTEALER, a commercial Windows infostealer sold since at least February 2026: ProManager, WinUpdate, SoftManager, and LockAppHost. LockAppHost abuses CMSTP for elevation, adds Microsoft Defender exclusions, disables five Windows Update services and 13 scheduled tasks, then hides a miner in legitimate Windows processes; other modules steal wallets, clipboard-swap crypto addresses, and turn victims into reverse proxies. The components share REVSTEALER tradecraft including packer, runtime function resolution, and Polygon smart-contract backup configuration (EtherHiding). Elastic's detection rule matched about 4,700 VirusTotal samples over the past year; distribution uses hijacked YouTube channels promoting game cheats and a fake 'Claude Opus 5 Free Desktop' app.

The Hacker NewsSep 6, 08:34 UTC · 10d agoMalware in the wild

Counterfeit installers to system compromise: Tracking a deceptive software download campaign

Microsoft tracks a counterfeit software-installer campaign compromising multinationals' China operations, moderately linked to the Silver Fox (Yinhu) actor.

Microsoft Defender Experts is tracking an active campaign using spoofed software download sites for brands such as Razer, Kaspersky, Microsoft Edge, Calibre, and Baidu Netdisk on .com.cn and .hl.cn domains, delivering installer archives whose hashes change per download, indicating server-side payload generation. The implants establish persistence, weaken security protections, and communicate with attacker-controlled infrastructure, with confirmed compromises across healthcare, manufacturing, gaming, technology, logistics, government, and education. Microsoft assesses with moderate confidence that the activity matches the publicly reported Silver Fox (Yinhu) fake software campaign; it has not attributed it to a nation-state actor.

Microsoft Security BlogSep 1, 22:48 UTC · 15d agoThreat actor in the wild1

ZDI-26-582: Cisco Identity Services Engine PatchUpdateListener Directory Traversal Information Disclosure Vulnerability

Cisco Identity Services Engine's PatchUpdateListener has an authenticated directory traversal (CVE-2026-20148, CVSS 4.9) enabling sensitive information disclosure.

ZDI advisory ZDI-26-582 describes a directory traversal information disclosure vulnerability in the PatchUpdateListener component of Cisco Identity Services Engine. Remote attackers can disclose sensitive information, but valid authentication is required to exploit the flaw. ZDI assigned a CVSS rating of 4.9 and CVE-2026-20148.

ZDI Published AdvisoriesAug 13, 05:00 UTC · Aug 13, 2026Vulnerability CVE-2026-20148

VU#687587: AOMEI Backupper amwrtdrv.sys local privilege escalation vulnerability allows arbitrary writes to physical disks

AOMEI Backupper 8.4.0 driver flaw CVE-2026-12780 lets unprivileged users write physical disks and execute UEFI code, bypassing HVCI and EDR.

CERT/CC issued VU#687587 for CVE-2026-12780, an incorrect permission assignment (CWE-732) in the amwrtdrv.sys kernel driver shipped with AOMEI Backupper 8.4.0. The driver exposes a world-accessible device object without a security descriptor, allowing any unprivileged user to write arbitrary physical disk sectors; with Secure Boot disabled, an attacker can modify the GPT and inject a UEFI payload that executes before the OS loads, bypassing HVCI, EDR, Windows Defender and Hyper-V isolation. On TPM-only BitLocker configurations the attack can capture Volume Master Key material during pre-boot. AOMEI has shipped patches; users who cannot update should uninstall the software or disable the amwrtdrv.sys service, and enabling Secure Boot adds defense in depth.

CERT/CC Vulnerability NotesSep 10, 17:46 UTC · 6d agoVulnerability CVE-2026-127801

ZDI-26-669: Adobe Acrobat Reader DC JBIG2 File Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

ZDI advisory ZDI-26-669 details an out-of-bounds read (CVE-2026-81978) when Adobe Acrobat Reader DC parses JBIG2 files.

The Zero Day Initiative published advisory ZDI-26-669 for an out-of-bounds read triggered when Acrobat Reader DC parses JBIG2 files. Successful exploitation allows a remote attacker to disclose sensitive information from affected installations. User interaction is required, such as opening a malicious file or visiting a malicious page. ZDI rated the issue 3.3 and assigned CVE-2026-81978.

ZDI Published AdvisoriesSep 10, 05:00 UTC · 6d agoAdvisory 19 sources CVE-2026-81978

ZDI-26-648: (Pwn2Own) OpenAI Codex External Control of System or Configuration Setting Remote Code Execution Vulnerability

ZDI published a Pwn2Own advisory for CVE-2026-19590, enabling remote code execution in OpenAI's Codex agent via system or configuration control.

Zero Day Initiative advisory ZDI-26-648 documents an External Control of System or Configuration Setting vulnerability in OpenAI Codex, demonstrated at Pwn2Own. A remote attacker could achieve arbitrary code execution, with user interaction required such as opening malicious content. The flaw is tracked as CVE-2026-19590 with a CVSS rating of 7.8. No exploitation in the wild is reported.

ZDI Published AdvisoriesSep 10, 05:00 UTC · 6d agoVulnerability 4 sources CVE-2026-195901

DeepZero: Open-source hunting for vulnerable Windows drivers

DeepZero, a new open-source engine, automates discovery of exploitable Windows kernel drivers for BYOVD attacks using Ghidra, Semgrep, and an LLM.

DeepZero is a free, open-source Python pipeline orchestrator that automates hunting for exploitable Windows kernel drivers relevant to BYOVD (bring your own vulnerable driver) attacks. Its seven-stage YAML pipeline parses PE headers, filters for kernel-mode drivers with IOCTL surfaces, excludes drivers listed on loldrivers.io, then runs headless Ghidra decompilation, Semgrep scanning, and an LLM-based exploitability assessment. The maintainer reports multiple verified vulnerabilities in the Snappy Driver Installer corpus, some still in the disclosure process, and notes findings involving plug-and-play-created device objects may need physical hardware to confirm.

Help Net Security05:30 UTC · 17h agoTools

The 12 Best Mobile Device Management (MDM) Solutions, Compared and Priced

A comparison of 12 MDM platforms ranks Microsoft Intune as best value for Microsoft 365 estates and Jamf, Kandji, and Mosyle for Apple fleets.

The buyer's guide compares 12 mobile device management (MDM) products, naming Microsoft Intune best value since it is included in Microsoft 365 E3/E5, and Jamf, Kandji, and Mosyle as Apple specialists with day-one OS support and automated compliance remediation. Eight of the twelve publish rates; per-device pricing punishes multi-device users, while Microsoft, Omnissa, and IBM offer per-user options. Free tiers from Mosyle, Miradore, and ManageEngine support genuine small deployments.

GBHackersupdated Sep 10, 08:19 UTC · 6d agofirst Sep 10, 08:09 UTC · 6d agoIndustry 4 sources