CVE-2026-54776

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, a CoreWCF service hosted on Unix Domain Sockets with PosixIdentity client credentials can accept connections that skip the application/unixposix stream upgrade before dispatching...

CVE-2026-54776 CoreWCF: Unix Domain Socket PosixIdentity transport accepts connections that skip the security upgrade

CoreWCF is a port of the service side of Windows Communication Foundation WCF to .NET Core. Prior to 1.8.1 and 1.9.1, a CoreWCF service hosted on Unix Domain Sockets with PosixIdentity client credentials can accept connections that skip the application/unixposix stream upgrade before dispatching...

GHSA-VXX3-6HC9-7CC3 OpenClaw: Combined POSIX shell options could confuse exec revalidation

Summary Combined POSIX shell options could confuse exec revalidation. In affected versions, a command request using combined shell flags could parse approval-time and execution-time shell options differently. This advisory is scoped to the named feature and configuration. It does not change...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: NFSD: NFSv4 file creation neglects setting the ACL. A NFSv4 client that sets an ACL with a named principal during file creation retrieves the ACL later. It finds that the ACL is only a default ACL based on the mode bits, not the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: AppArmor: Fixed the rlimit settings for posix cpu timers. posix cpu timers require an additional step beyond simply setting the rlimit. The code should be refactored so it’s clear which code is setting the limits, and the posi...

Missing Authentication for Critical Function

Overview CoreWCF.UnixDomainSocket is a port of the service side of Windows Communication Foundation WCF to .NET Core. The goal of this project is to enable existing WCF services to move to .NET Core. Affected versions of this package are vulnerable to Missing Authentication for Critical Function...

PT-2026-51073

Name of the Vulnerable Software and Affected Versions CoreWCF versions prior to 1.8.1 CoreWCF versions prior to 1.9.1 Description A CoreWCF service hosted on Unix Domain Sockets using PosixIdentity client credentials may accept connections that bypass the application/unixposix stream upgrade befo...

GHSA-C226-Q6FX-6J6C OpenClaw: macOS Swift exec allowlist missed combined POSIX inline flags

Summary macOS Swift exec allowlist missed combined POSIX inline flags. In affected versions, a command request using combined POSIX inline-command flags could miss inline-command content expressed through combined flags. This advisory is scoped to the named feature and configuration. It does not...

PT-2026-50471

Name of the Vulnerable Software and Affected Versions chrome-devtools-mcp affected versions not specified Description On POSIX systems, specifically macOS and Linux sessions where the XDG RUNTIME DIR environment variable is unset, the daemon writes its PID file to a deterministic path in /tmp usi...

CVE-2026-53861

OpenClaw before 2026.5.6 has an allowlist bypass in the macOS Swift exec feature due to missing handling for combined POSIX inline flags. The vulnerability enables attackers to run shell content outside the intended allowlist check by using combined flag forms, with impact depending on operator c...

CVE-2026-53831

OpenClaw before 2026.5.18 contains a policy enforcement vulnerability in system.run safe-bin allowlist validation that allows shell expansion to modify command interpretation on POSIX nodes. Authenticated operators can exploit shell metacharacters in approved commands to read unintended node-loca...

CVE-2026-53831 OpenClaw < 2026.5.18 - Arbitrary File Read via Shell Expansion in system.run Safe-bin Allowlist

OpenClaw before 2026.5.18 contains a policy enforcement vulnerability in system.run safe-bin allowlist validation that allows shell expansion to modify command interpretation on POSIX nodes. Authenticated operators can exploit shell metacharacters in approved commands to read unintended node-loca...

CVE-2026-53831 OpenClaw < 2026.5.18 - Arbitrary File Read via Shell Expansion in system.run Safe-bin Allowlist

OpenClaw before 2026.5.18 contains a policy enforcement vulnerability in system.run safe-bin allowlist validation that allows shell expansion to modify command interpretation on POSIX nodes. Authenticated operators can exploit shell metacharacters in approved commands to read unintended node-loca...

SUSE CVE-2026-42305

Dulwich is a pure-Python implementation of the Git file formats and protocols. Versions starting with 0.10.0 and prior to 1.2.5 have an arbitrary file write leading to remote code execution when cloning or checking out a malicious Git repository on Windows. Dulwich's path-element validator accept...

EUVD-2026-36111

Snappy is a PHP library allowing thumbnail, snapshot or PDF generation from a url or a html page. Prior to version 1.7.1, on POSIX, escapeshellarg‘/usr/bin/wkhtmltopdf’ returns the literal string ‘/usr/bin/wkhtmltopdf’ with the single-quote characters included. isexecutable then looks for a file...

DEBIAN-CVE-2026-11837

A local privilege escalation vulnerability was found in the ansible.posix authorizedkey module. The module's keyfile function uses os.chown instead of os.lchown and opens files without ONOFOLLOW when managing SSH authorized keys. An unprivileged local user can pre-stage symbolic links in their...

CVE-2026-11837

A local privilege escalation vulnerability was found in the ansible.posix authorizedkey module. The module's keyfile function uses os.chown instead of os.lchown and opens files without ONOFOLLOW when managing SSH authorized keys. An unprivileged local user can pre-stage symbolic links in their...

CVE-2026-11837 Ansible-collection-ansible-posix: ansible.posix authorized_key: local privilege escalation via symlink-following chown

A local privilege escalation vulnerability was found in the ansible.posix authorizedkey module. The module's keyfile function uses os.chown instead of os.lchown and opens files without ONOFOLLOW when managing SSH authorized keys. An unprivileged local user can pre-stage symbolic links in their...

CVE-2026-11837

CVE-2026-11837 describes a local privilege escalation in the ansible.posix authorized_key module. The keyfile() function uses os.chown() instead of os.lchown() and opens files without O_NOFOLLOW when handling SSH authorized keys. An unprivileged local user can pre-stage symbolic links in their ~/...

CVE-2026-11837 Ansible-collection-ansible-posix: ansible.posix authorized_key: local privilege escalation via symlink-following chown

A local privilege escalation vulnerability was found in the ansible.posix authorizedkey module. The module's keyfile function uses os.chown instead of os.lchown and opens files without ONOFOLLOW when managing SSH authorized keys. An unprivileged local user can pre-stage symbolic links in their...