PYSEC-2026-201

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6.django.middleware.cache.UpdateCacheMiddleware in Django does not match Cache-Control response directives case-insensitively, which allows remote attackers to read responses that were incorrectly cached because their...

Astra Linux – Vulnerability in curl

libcurl keeps previously used connections in a connection pool so that they can be reused for subsequent transfers, if one of them matches the setup. Due to errors in the logic, the configuration matching function did not take ‘issuercert’ into account, and the involved paths were compared case...

Astra Linux – Vulnerability in Tomcat9

The “Time-of-check Time-of-use” TOCTOU race condition vulnerability during JSP compilation in Apache Tomcat allows for a race condition on case-insensitive file systems when the default servlet is enabled for writing not in the default configuration. This issue affects Apache Tomcat versions from...

Astra Linux – Vulnerability in Git

Git is an open-source distributed revision control system. In affected versions of Git, a specially crafted repository containing symbolic links and files processed by clean/smudge filters like Git LFS may cause a just-checked-out script to be executed when cloning to a case-insensitive file syst...

CLSA-2026-1779215980 cups: Fix of CVE-2026-27447

CVE-2026-27447: fix authorization bypass via case-insensitive username comparison in scheduler...

CLSA-2026-1779215547 cups: Fix of CVE-2026-27447

CVE-2026-27447: fix authorization bypass via case-insensitive username comparison in scheduler...

GHSA-4GPH-2HHR-5MWG Envoy AI Proxy - MCP Message Smuggling Vulnerability

Envoy AI Gateway was found to be affected by a protocol parser differential vulnerability due to improper implementation of the JSON-RPC 2.0 specification. Such differential causes a MCP message alteration, potentially causing a bypass of security controls in a multi-layered architecture. Accordi...

Envoy AI Proxy - MCP Message Smuggling Vulnerability

Envoy AI Gateway was found to be affected by a protocol parser differential vulnerability due to improper implementation of the JSON-RPC 2.0 specification. Such differential causes a MCP message alteration, potentially causing a bypass of security controls in a multi-layered architecture. Accordi...

node-tar: tar: node-tar: Arbitrary file overwrite via Unicode path collision race condition

A flaw was found in node-tar, a library for Node.js. This race condition vulnerability occurs due to incomplete handling of Unicode path collisions within the path-reservations system on case-insensitive filesystems, such as macOS APFS. A remote attacker can exploit this by providing a specially...

node-tar: tar: node-tar: Arbitrary file overwrite via Unicode path collision race condition

A flaw was found in node-tar, a library for Node.js. This race condition vulnerability occurs due to incomplete handling of Unicode path collisions within the path-reservations system on case-insensitive filesystems, such as macOS APFS. A remote attacker can exploit this by providing a specially...

Security Bulletin:DevOps Test Embedded for Eclipse IDE is vulnerable to XXE injection & RCE due to use of JGit and EGit ( CVE-2023-4759 and CVE-2025-4949)

Summary Due to the use of JGit and EGit, DevOps Test Embedded for Eclipse contains vulnerabilities that could lead to unauthorized file access via XML External Entity XXE injection, and arbitrary file overwrites on case-insensitive filesystems that can lead to Remote Code Execution RCE. This only...

CLSA-2026-1779120390 gnutls: Fix of CVE-2026-3833

CVE-2026-3833: fix excludedSubtrees/permittedSubtrees bypass by performing case-insensitive comparison of dNSName and rfc822Name domain labels in X.509 nameConstraints processing...

PT-2026-41687

Name of the Vulnerable Software and Affected Versions Caddy versions 2.7.0 through 2.11.2 Description The FastCGI transport's splitPos function in modules/caddyhttp/reverseproxy/fastcgi/fastcgi.go misuses the search.IgnoreCase feature of the golang.org/x/text/search library when a request path...

GHSA-3G8V-8R37-CGJM FrankenPHP: Unsafe Unicode Handling in CGI Path Splitting Allows Execution of Non-PHP Files

Summary The splitPos function in cgi.go misuses golang.org/x/text/search with search.IgnoreCase when the request path contains a non-ASCII byte. Two distinct flaws in that fallback let an attacker mislead FrankenPHP into treating a non-.php file as a .php script. In any deployment where the...

CLSA-2026-1778839424 gnutls: Fix of CVE-2026-3833

CVE-2026-3833: fix excludedSubtrees/permittedSubtrees bypass by performing case-insensitive comparison of dNSName and rfc822Name domain labels in X.509 nameConstraints processing...

CLSA-2026-1778835563 gnutls: Fix of CVE-2026-3833

CVE-2026-3833: fix excludedSubtrees/permittedSubtrees bypass by performing case-insensitive comparison of dNSName and rfc822Name domain labels in X.509 nameConstraints processing...

CLSA-2026-1778832314 Fix CVE(s): CVE-2026-3833

SECURITY UPDATE: Certificate policy bypass via case-sensitive nameConstraints - debian/patches/CVE-2026-3833.patch: replace memcmp with cstrncasecmp in endswith, emailendswith, dnsnamematches and emailmatches in lib/x509/nameconstraints.c so DNS labels and email domains are compared...

CLSA-2026-1778662564 cups: Fix of CVE-2026-27447

CVE-2026-27447: fix authorization bypass via case-insensitive username comparison in scheduler...

Unity Linux 20.1060e / 20.1070e Security Update: git (UTSA-2026-017630)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-017630 advisory. Git is an open-source distributed revision control system. In affected versions of Git a specially crafted repository that contains symbolic links as well as files...

CVE-2026-41591 Marko: XSS via case-insensitive script/style closing tag bypass in runtime HTML escaping

Marko is a declarative, HTML-based language for building web apps. Prior to marko version 5.38.36 and prior to @marko/runtime-tags 6.0.164, when dynamic text is interpolated into a or tag the Marko runtime failed to prevent tag breakout when the closing tag used non-lowercase casing. An attacker...