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OPCFoundation OPC UA LocalDiscoveryServer (LDS)

CISA warns CVE-2026-77477 (CVSS 4.6) lets local attackers hijack a privileged console during OPC UA LDS installation below version 1.04.420.

CISA published ICSA-26-246-01 for CVE-2026-77477, CWE-250 execution with unnecessary privileges in OPC Foundation UA-LDS-Installers below 1.04.420. An attacker able to launch the installer with elevated privileges and access the keyboard and display can intercept a high-privilege console window during installation and run arbitrary commands. CVSS 3.1 score is 4.6, the issue is not remotely exploitable, and no public exploitation has been reported. Lukas Schumaker of Rockwell Automation reported the flaw to OPC Foundation.

CISA Advisories · 12d agoAdvisoryCVE-2026-77477

FTC Withdraws Obsolete Policy Statement

The FTC rescinded its 2021 policy statement that applied the Health Breach Notification Rule to health apps and connected devices collecting consumer health data.

The Federal Trade Commission formally rescinded its 2021 Policy Statement on Breaches by Health Apps and Other Connected Devices. The statement had purported to apply the FTC's Health Breach Notification Rule to health apps and connected devices that collect consumer health information. The Commission considers the statement obsolete following its 2024 update to the Health Breach Notification Rule.

DataBreaches.net · 5d agoPolicy & legal 2 sources

Re: rosbridge_library Protocol.incoming() quadratic CPU cost in JSON fallback

Alan Coopersmith's mailing list reply merely points to the public oss-security posting of the rosbridge_library disclosure.

A follow-up reply on oss-security by Alan Coopersmith notes that the rosbridge_library Protocol.incoming() quadratic CPU cost issue was disclosed publicly on the oss-security mailing list. The reply contains no additional technical detail beyond linking the original disclosure.

oss-securityupdated · 1d agofirst · 1d agoVulnerability 3 sources

ICS Patch Tuesday: Schneider Electric, Siemens Fix Critical Flaws

September ICS Patch Tuesday brings critical fixes from Schneider Electric, Siemens, and Aveva, including CVSS 9.2 authentication flaw CVE-2026-3869 in Modicon M580 controllers.

Schneider Electric's September advisories include a critical authentication vulnerability, CVE-2026-3869 with a CVSS score of 9.2, in Modicon M580 and Modicon M580 Safety controllers, plus high-severity bugs in PowerLogic T300 and EcoStruxure IT Data Center Expert. Siemens published nine new advisories, four rated critical across Reyrolle 7SR5, Open Interface Services, Industrial Edge Management, and SIMOVE Fleetmanager and SIPLANT, and began rolling out fixes for CVE-2026-31431, a 7.8-rated Linux kernel flaw enabling root shell access. Aveva disclosed four flaws in Pipeline Integrity Monitor's PIMBoards, including a hardcoded encryption key and MD5-hashed passwords, plus an unsafe deserialization issue in Enterprise SCADA. Rockwell Automation separately issued nine advisories covering RSLinx Classic and multiple controller products.

ICO Reprimands Criminal Records Office After 2023 Breach

The UK ICO formally reprimanded ACRO Criminal Records Office over a 2023 breach caused by patching and security monitoring failures.

The UK Information Commissioner's Office issued a formal reprimand to ACRO Criminal Records Office following a breach in 2023. The regulator found failures in patching and security monitoring contributed to the incident. The action underscores regulator expectations for timely patching and monitoring at data-holding organizations.

Infosecurity Magazine · Aug 13, 2026Policy & legal

Communicating Under Pressure: Best Practices for Service Providers

CISA, FBI, and international partners issued guidance on crisis communications for service providers during IT and OT outages, emphasizing clarity, transparency, and backup channels.

CISA, the FBI, and international partners published guidance on planning and executing clear, timely, audience-appropriate communications during IT and OT service outages, whether caused by cyber threat actors, human error, or natural hazards. The guidance stresses clarity, accountability, and transparency, and warns that outages at one organization can cascade across interconnected systems. It recommends critical infrastructure owners assume telecommunications may be unreliable and integrate backup communication methods into crisis plans, and points to CISA's CI Fortify initiative for OT isolation and recovery resources.

CISA Advisories · 13d agoAdvisory

Permify: Open-source authorization as a service

Help Net Security profiles Permify, an open-source Zanzibar-style authorization service supporting RBAC, ABAC, and relationship-based rules with multi-tenant deployments.

Permify is an open-source authorization-as-a-service project modeled on Google Zanzibar that centralizes access-control decisions outside application code. It supports role-based, relationship-based, and attribute-based access rules, answers checks in tens of milliseconds via REST and gRPC, and runs from a single Docker command. It is a CNCF member and is freely available on GitHub.

Help Net Security · 2d agoTools1

Nearly 750k had financial info, SSNs leaked in South Carolina loan company breach

Heights Finance breach of a third-party cloud platform exposed SSNs and banking data of 734,828 loan customers across 11 states.

Attackers breached a third-party cloud platform used by Heights Finance in May, exposing data on 734,828 customers, according to the company's filing with Texas regulators. Stolen data includes contact details, bank account and routing numbers, Social Security numbers, tax IDs and driver's license numbers. The breach, discovered on May 7, was limited to the cloud platform and did not affect loan management systems. No group has claimed the attack and dark web monitoring has found no evidence of the data being leaked.

The Record · 29d agoData breach

The Collective Cyber Defense letter wrote your next vendor questionnaire

Op-ed argues the 200-company Collective Cyber Defense letter's three endorsed metrics should become standard vendor procurement questions.

More than 200 companies including Microsoft, Google, AWS, CrowdStrike, Anthropic and Okta signed an August 27 open letter calling for faster cyber defenses against AI-enabled attacks. The letter endorses three measurable metrics: coverage, containment speed, and verified remediation. The author turns those into five concrete procurement questions buyers should pose at vendor renewals, while noting the letter contains no deadlines, dollar figures or measurable targets.

CyberScoop · 14d agoIndustry

CISA Urges Service Providers to Provide Transparent Updates During Major IT and OT Outages

CISA and FBI issued guidance urging service providers to deliver timely, transparent communications during major IT and OT outages.

CISA, with the FBI and international partners, released 'Communicating Under Pressure: Best Practices for Service Providers', urging providers to prepare crisis-communication procedures, provide timely status updates during IT/OT outages, and maintain out-of-band communication channels. The guidance warns that disruptions to telecom, cloud, energy, and water services can cascade across critical infrastructure. It aligns with CISA's CI Fortify initiative supporting IT/OT isolation and recovery.

GBHackers · 5d agoAdvisory

ZDI-26-552: OriginLab Origin Viewer OPJ File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI discloses CVE-2026-18293, a CVSS 7.8 out-of-bounds write in OriginLab Origin Viewer OPJ file parsing enabling remote code execution via malicious files.

ZDI advisory ZDI-26-552 describes an out-of-bounds write in OriginLab Origin Viewer's OPJ file parsing, tracked as CVE-2026-18293 with a CVSS score of 7.8. The flaw allows remote attackers to execute arbitrary code on affected installations. Exploitation requires user interaction, such as visiting a malicious page or opening a malicious file.

ZDI Published Advisories · Aug 11, 2026VulnerabilityCVE-2026-18293

[0day-rubbish] OP5 Monitor 9.20 Command injection surviving the CVE-2025-34115 patch (OPT-IN fix ineffective) (8.8)

OP5 Monitor 9.20 remains vulnerable to CVSS 8.8 command injection because the CVE-2025-34115 fix is opt-in and ineffective.

0day Rubbish Research Team disclosed a command injection (CWE-78) in OP5 Monitor 9.20 that survives the existing CVE-2025-34115 patch, which is opt-in and described as ineffective. The issue scores CVSS 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H). Administrators who previously applied the vendor fix may still be exposed.

ShieldBreak Zero-Day PoC Claims Microsoft Defender Patch Bypass With SYSTEM Access

Researcher Chaotic Eclipse released ShieldBreak PoC, a claimed patch bypass for Microsoft Defender flaw CVE-2026-50656, now tracked as CVE-2026-69414.

Researcher Chaotic Eclipse released a PoC for ShieldBreak, a claimed full patch bypass of Microsoft Defender flaw CVE-2026-50656 (RoguePlanet), which can yield SYSTEM privileges. Independent researchers Kevin Beaumont and Will Dormann validated the exploit on Windows 11 25H2 and Windows Server 2025, noting it requires Defender to be enabled. Microsoft assigned CVE-2026-69414 (CVSS 7.8) with an 'Exploitation More Likely' assessment and is investigating, but has not yet released a patch. The article also notes CISA's KEV addition of the actively exploited Windows AFD.sys flaw CVE-2026-68820.

Necessary or Sufficient? Evaluating LLM Explanations With Behavioural Evidence

New framework tests whether LLM-cited explanation factors are necessary or sufficient, finding weak correlation across Claude, GPT, and Gemini models.

An arXiv paper introduces black-box intervention tests measuring whether factors LLMs cite in their explanations are necessary or sufficient for their outputs in agent oversight workflows. Across eight models from the Claude, GPT, and Gemini families, Spearman correlations between cited rankings and measured influence ranged from 0.349-0.354 (advisor recommendation) to 0.431-0.580 (prompt monitoring). Uncited factors scored above the lowest cited factor in up to 57.6% of advisor responses, showing cited top-three factors do not reliably identify the most influential inputs.

ZDI-26-543: Microsoft Windows ICC File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI discloses an out-of-bounds write in Windows ICC file parsing via Mscms.dll enabling remote code execution (CVE-2026-54984, CVSS 7.8).

ZDI advisory ZDI-26-543 describes an out-of-bounds write in Microsoft Windows ICC file parsing that allows remote attackers to execute arbitrary code. Exploitation requires interaction with the Mscms.dll color management library, though attack vectors may vary by implementation. The flaw has a CVSS rating of 7.8 and is assigned CVE-2026-54984.

ZDI Published Advisories · Aug 11, 2026VulnerabilityCVE-2026-549841

Fake CVE-2023

A fake PoC for WinRAR RCE CVE-2023-40477 posted on GitHub actually deploys VenomRAT through a multi-step infection chain targeting researchers.

Four days after Zero Day Initiative publicly disclosed the WinRAR RCE vulnerability CVE-2023-40477 on August 17, 2023, an actor using the alias whalersplonk published a fake proof-of-concept on GitHub. The Python script actually repurposed public PoC code for GeoServer SQL injection CVE-2023-25157 and triggered an infection chain ending in VenomRAT. The README and an accompanying video lured users into running the script; the video drew over 100 plays. Unit 42 assesses the actor was opportunistic, targeting other miscreants adopting new vulnerabilities rather than researchers specifically.

ZDI-26-548: OriginLab OriginPro OPJ File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI advisory ZDI-26-548 discloses CVE-2026-18289, an out-of-bounds write in OriginLab OriginPro OPJ parsing enabling remote code execution via malicious files.

OriginLab OriginPro contains an out-of-bounds write when parsing OPJ project files, tracked as CVE-2026-18289 with CVSS 7.8. Remote code execution requires user interaction, meaning the target must open a malicious file or visit a malicious page. The flaw was disclosed through ZDI advisory ZDI-26-548.

ZDI Published Advisories · Aug 11, 2026VulnerabilityCVE-2026-18289

Chaotic Eclipse Released GreenSection, A PoC For NVIDIA Memory Corruption Zero-Day

Researcher Chaotic Eclipse released GreenSection, a PoC exploiting an unpatched out-of-bounds write in NVIDIA Windows user-mode shared memory.

Security researcher Chaotic Eclipse disclosed an out-of-bounds write in NVIDIA's Windows user-mode components, which share a global memory section (\BaseNamedObjects\{52813408-3561-4705-820a-2b3b78be92ba}) with full read/write access to all users. The PoC crashes applications running Vulkan or OpenGL; the researcher says the bug could cross user boundaries or compromise dwm.exe but did not fully assess the impact. No CVE has been assigned and no patch is mentioned. The researcher recently released zero-day PoCs against Kaspersky, Avast, and CrowdStrike Falcon.

Security Affairs · 8d agoExploit / PoC 2 sources

Cisco BroadWorks Out-of-Band Blind XML External Entity Injection Vulnerability

Cisco patched an XXE flaw in BroadWorks' OCI XML parser letting unauthenticated remote attackers read sensitive files from the filesystem.

Cisco BroadWorks permits external entity resolution by default in its Open Client Interface XML parser, enabling out-of-band blind XXE injection. An unauthenticated remote attacker can send crafted XML to the OCI-P provisioning service and read sensitive configuration files with BroadWorks user privileges. Cisco has released software updates and no workarounds are available.

Cisco Security Advisories · 27d agoAdvisory

Before You Poll with LLMs: A Deliberative Diagnostic Framework

Deliberative diagnostic shows all five tested frontier LLMs misrepresent human belief shifts after arguments, with GPT-5.1 reversing on outgroup questions.

The Deliberative Polling Diagnostic Framework compares human and LLM persona belief shifts after identical informational interventions, using data from America in One Room (526 personas, 72 questions). All five frontier models tested failed uniquely: GPT-5.1 exhibited partisan reversal (80% on outgroup vs 26% on policy questions), Gemini 2.0 Flash, Claude Sonnet 4.5 and Llama 3.3 70B overshot at 5-7x human magnitude, and DeepSeek V3 showed near-zero change (rigidity). The authors term the underlying signature 'self-sycophancy', conformity to the model's internal persona stereotype rather than reasoning from provided information.

arXiv cs.AI / cs.LG / cs.CL · 1d agoAI research

Researcher Releases FalconFlank PoC Showing Privilege Escalation in CrowdStrike Falcon

Researcher Chaotic Eclipse released FalconFlank, a zero-day privilege escalation PoC abusing CrowdStrike Falcon's Office macro remediation; CrowdStrike is investigating and issued a tech alert.

Researcher Chaotic Eclipse published FalconFlank, a proof-of-concept zero-day local privilege escalation in CrowdStrike Falcon Sensor that abuses the Microsoft Office malicious macros remediation feature, tested on fully updated Windows 11 25H2 and Windows Server 2025. CrowdStrike said it is investigating, advised disabling the Microsoft Office File Suspicious Macro Removal policy, and pointed customers to a FalconFlank tech alert, noting cloud anti-malware protection remains active. The article also covers related PoCs from the same researcher: HardBreacher against Kaspersky (fixed via update), ShieldBreak (CVE-2026-69414) against Microsoft Defender, an unpatched patch bypass of CVE-2026-50656, GreenSection against NVIDIA, and PrettyPrague against Avast, which Gen Digital patched in versions 26.7.11086 and 26.8.11125.

ZDI-26-547: OriginLab OriginPro OPJU File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI advisory ZDI-26-547 discloses CVE-2026-18288, an out-of-bounds write in OriginLab OriginPro OPJU file parsing enabling remote code execution via crafted files.

OriginLab OriginPro contains an out-of-bounds write when parsing OPJU files, tracked as CVE-2026-18288 with CVSS 7.8. Remote code execution requires user interaction, meaning the target must open a malicious file or visit a malicious page. The flaw was disclosed via ZDI advisory ZDI-26-547.

ZDI Published Advisories · Aug 11, 2026VulnerabilityCVE-2026-18288

BGP Role model: tracking the adoption of RFC 9234

Cloudflare measured RFC 9234 adoption, finding BGP Role deployment growing but two Tier 1 networks unexpectedly stripping the Only to Customer attribute.

Cloudflare analyzed adoption of RFC 9234, which introduces BGP Roles and the Only to Customer (OTC) attribute allowing routers to reject route leaks on their own. The measurement study assessed who has deployed the mechanism in the global routing table. It found two Tier 1 networks unexpectedly stripping OTC attributes, which could undermine leak protection.

Cloudflare Blog · 28d agoResearch

How to Investigate GitHub PAT Compromise: Lessons From a Multi-Organization Campaign

Wiz CIRT published an investigation playbook for GitHub PAT compromise after responding to a coordinated multi-organization campaign.

Wiz's Computer Incident Response Team shared lessons from its response to a coordinated campaign compromising GitHub personal access tokens across multiple organizations. The post provides a practical playbook covering detection, scoping, and investigation steps for token compromise. Specific victim names, affected counts, and attribution are not provided in the announcement.

Wiz Blog · Aug 13, 2026Threat actor in the wild1

Divide, Consult, Conquer: Capability Laundering Through Aligned LLMs

Attack shows unaligned orchestrators can launder capabilities from aligned frontier LLMs via benign subtask consultation, raising Gemma-4-31B CBRN rubric score from 62.3 to 83.1.

The paper introduces capability laundering, where a weaker unaligned model decomposes a harmful task into benign-looking subproblems, queries a stronger aligned model on each, and recombines answers locally, bypassing per-interaction safety evaluations. Evaluation used GPT-5.5, Claude Opus 4.8, and Grok-4.3 as consultants to four local orchestrators on CyBench, BountyBench, and CBRN tasks. On CyBench, Gemma-4-31B recovered 8/14 candidate tasks with GPT-5.5 and 7/9 with Opus, while Muse-Glimmer-30B recovered none. Across an eight-step hypothetical bioweapon attack chain, consultation raised Gemma-4-31B's mean rubric score from 62.3 to 83.1, exposing a gap in defenses that only refuse complete harmful tasks.

arXiv cs.CR · 1d agoAI safety & security

Closing the Blind Spot: Securing Personal Repositories in the Software Supply Chain

Wiz highlights personal developer repositories as a supply chain blind spot leaking corporate secrets, offering correlation-based risk validation and remediation.

Wiz argues that developers' personal code repositories are a blind spot in software supply chain security where corporate secrets quietly escape. The company describes an approach that correlates personal repositories to specific developers, validates the actual risk, and drives remediation. No specific incident or vulnerability is disclosed in the announcement.

Wiz Blog · Aug 13, 2026Tools2

PrivAudit: A Dual-Lens Auditing Framework for Website Privacy Practices under the CCPA

PrivAudit framework audits 998 websites for CCPA compliance, finding stronger disclosures but pervasive, weakly responsive third-party cookie tracking.

PrivAudit is an automated dual-lens auditing framework combining LLM-based analysis of privacy policies grounded in CCPA provisions with automated browser measurements of cookie writes under diverse privacy configurations. Applied to 998 websites, it finds CCPA-subject sites disclose opt-outs, data sharing, and user rights more frequently, yet tracking remains pervasive: 6,392 targeting cookies, 49% third-party writes. Cookies show limited-to-moderate responsiveness to privacy signals and consent choices even when sites claim to honor them. The framework is open-sourced and shared with regulators.

arXiv cs.CR · 7d agoResearch

Accountability in Certificate Transparency and Variants

Formal Dolev-Yao analysis shows plain Certificate Transparency requires an honest log, SCT Auditing removes that assumption, and Gossiping does not.

The paper analyzes accountability in Certificate Transparency and its SCT Auditing and Gossiping extensions in the Dolev-Yao model, starting from a vanilla PKI. It finds plain CT provides accountability only under the assumption of an honest log. The SCT Auditing extension can eliminate that assumption, while the Gossiping extension cannot. CT is supported by all major browsers and obliges Certificate Authorities to record issued certificates in public, monitored logs.

arXiv cs.CR · 5d agoResearch