security-research

security-research Proof-of-concept code and technical write-ups for vulnerabilities I discovered and reported through coordinated disclosure. Every entry here is already public: the vendor advisory is published and a fixed release is available. Nothing under embargo or in draft is included. The...

CVE-2026-90803

A security vulnerability has been detected in GNU Binutils 2.47. Affected by this vulnerability is the function elfx8664relocatesection of the file bfd/elf64-x86-64.c of the component ld. Such manipulation of the argument roff leads to buffer overflow. An attack has to be approached locally. The...

azure-security-auditor

Azure Security Posture Auditor A lightweight, production-style CLI tool that audits Azure security configurations and surfaces common misconfigurations — mirroring what Microsoft Defender for Cloud checks internally. Checks...

UBUNTU-CVE-2026-90995

A flaw was found in SSSD System Security Services Daemon. A local attacker with privileges to connect to the PAM Pluggable Authentication Modules responder socket can send a specially crafted protocol request. If the pamappservices configuration is enabled and the service item is omitted from the...

CVE-2026-90995

A flaw was found in SSSD System Security Services Daemon. A local attacker with privileges to connect to the PAM Pluggable Authentication Modules responder socket can send a specially crafted protocol request. If the pamappservices configuration is enabled and the service item is omitted from the...

CVE-2026-90801

A security flaw has been discovered in GNU Binutils 2.47. This impacts the function cachebwrite of the file bfd/cache.c of the component ld. The manipulation of the argument nbytes results in buffer overflow. The attack requires a local approach. The exploit has been released to the public and ma...

CVE-2026-7848

creationtimestamp| type| source ---|---|--- 2026-09-14 16:15:02+00:00| seen| https://cert.pl/en/posts/2026/09/CVE-2026-7848 2026-09-14 16:23:32+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/dxvl3rokmnqkg...

golang.org/x/crypto/ssh: golang.org/x/crypto/ssh: Security key bypass due to missing user presence check

A flaw was found in golang.org/x/crypto/ssh. The Verify method, responsible for FIDO/U2F security key types, did not properly check for user presence. This allowed signatures to be accepted without requiring a physical touch on the hardware security key. As a result, an attacker could potentially...

golang.org/x/crypto/ssh/agent: golang.org/x/crypto/ssh/agent: Security bypass due to improper handling of key restrictions

A flaw was found in golang.org/x/crypto/ssh/agent. When a key was added to a remote agent, security restrictions, known as constraint extensions, were not properly processed during the request. This allowed these restrictions to be silently removed when keys were forwarded, leading to the...

Important: Red Hat Security Advisory: podman security update

An update for podman is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

CVE-2026-76442 Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76442 Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76443

CVE-2026-76443 affects Cisco Secure Email Gateway and Cisco Secure Email and Web Manager , where internally discovered vulnerabilities involving improper neutralization (CWE-707) were identified during a comprehensive internal security review. The issues are addressed through software hardening r...

CVE-2026-76443 Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

EUVD-2026-77623

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-76441 Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-20353 Cisco Secure Email Gateway Security Hardening Release

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Email Gateway and Cisco Secure Email and Web Manager engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple...

CVE-2026-20353

CVE-2026-20353 affects Cisco Secure Email Gateway and Cisco Secure Email and Web Manager . The vulnerability stems from improper control of a resource through its lifetime (CWE-664) , identified during an internal security review. Cisco assigned a CVSS 3.1 score of 9.8 (Critical) with a network-b...

CVE-2026-76441

CVE-2026-76441 affects Cisco Secure Email Gateway and Cisco Secure Email and Web Manager . Cisco's internal security review identified multiple vulnerabilities rooted in improper access control (CWE-284), addressed through software hardening releases . The vulnerability carries a CVSS 3.1 score o...

CVE-2026-76440

CVE-2026-76440 affects Cisco Secure Email Gateway and Cisco Secure Email and Web Manager , addressing path traversal issues (CWE-23) discovered during an internal security review. Cisco assigned a CVSS 3.1 base score of 9.8 (CRITICAL) with a network attack vector requiring no privileges or user i...