CVE-2026-22665: Improper Handling of Case Sensitivity

prompts.chat prior to commit 1464475, contains an identity confusion vulnerability due to inconsistent case-sensitive and case-insensitive handling of usernames across write and read paths, allowing attackers to create case-variant usernames that bypass uniqueness checks. Attackers can exploit...

CVE-2026-27447: Incorrect Authorization

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, CUPS daemon cupsd contains an authorization bypass vulnerability due to case-insensitive username comparison during authorization checks. The vulnerability allows an...

OpenPrinting CUPS security vulnerability

OpenPrinting CUPS is an open-source printing system developed by OpenPrinting Corporation, suitable for Linux® and other Unix®-based operating systems. OpenPrinting CUPS versions 2.4.16 and earlier contain security vulnerabilities. These vulnerabilities stem from the fact that username comparison...

CVE-2026-34391

creationtimestamp| type| source ---|---|--- 2026-04-02 22:22:04+00:00| published-proof-of-concept| Telegram/23ZcvUWmnJsq-zA1xOv2ctyvywAVz8hRL5r96BcfYjQKx08...

CVE-2025-24265

creationtimestamp| type| source ---|---|--- 2026-04-02 22:15:18+00:00| seen| Telegram/P5-d6aZOqF55QElx3cS6BOd0aPe5lgIDzzkyeelTZVJswY...

GO-2026-4905 Gotenberg has Chromium deny-list bypass via case-insensitive URL scheme (bypass of GHSA-rh2x-ccvw-q7r3) in github.com/gotenberg/gotenberg

Gotenberg has Chromium deny-list bypass via case-insensitive URL scheme bypass of GHSA-rh2x-ccvw-q7r3 in github.com/gotenberg/gotenberg...

CVE-2025-39948

creationtimestamp| type| source ---|---|--- 2026-04-02 17:00:00+00:00| seen| https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0397/ 2026-04-07 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities20260408 2026-05-10 18:00:00+00:00| seen|...

CVE-2025-68753

creationtimestamp| type| source ---|---|--- 2026-04-02 17:00:00+00:00| seen| https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0397/ 2026-04-07 18:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/ubuntu-linux-kernel-multiple-vulnerabilities20260408 2026-05-10 18:00:00+00:00| seen|...

PT-2026-29948

Gotenberg has Chromium deny-list bypass via case-insensitive URL scheme bypass of GHSA-rh2x-ccvw-q7r3 in github.com/gotenberg/gotenberg...

CVE-2026-34747

creationtimestamp| type| source ---|---|--- 2026-04-01 20:40:44+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mihkgl3e3d2o 2026-04-01 23:27:18+00:00| seen| Telegram/bl6LC3S0UxxO5vDfC3lE4LaBC6ObKrhuhRcx8XqwmK5Cxg 2026-04-02 05:25:38+00:00| seen|...

CVE-2026-34397

Himmelblau is an interoperability suite for Microsoft Azure Entra ID and Intune. From versions 2.0.0-alpha to before 2.3.9 and 3.0.0-alpha to before 3.1.1, there is a conditional local privilege escalation vulnerability in an edge-case naming collision. Only authenticated himmelblau users whose...

PT-2026-29576

Name of the Vulnerable Software and Affected Versions Himmelblau versions 2.0.0-alpha through 2.3.8 and 3.0.0-alpha through 3.1.0 Description Himmelblau, an interoperability suite for Microsoft Azure Entra ID and Intune, contains a conditional local privilege escalation issue due to an edge-case...

Important: nodejs24

Issue Overview: Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted:...

Important: nodejs20

Issue Overview: Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names e.g., Content-Length and content-length. This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Who is impacted:...

CVE-2026-27018

Gotenberg is an API for converting document formats. Prior to version 8.29.0, the fix introduced for CVE-2024-21527 can be bypassed using mixed-case or uppercase URL schemes. This issue has been patched in version 8.29.0...

CVE-2026-34505

creationtimestamp| type| source ---|---|--- 2026-03-31 12:25:31+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3mie6c3z4st27 2026-03-31 12:26:12+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3mie6ddo3zp2s 2026-03-31 12:27:11+00:00| seen|...

PT-2026-30234

Name of the Vulnerable Software and Affected Versions OpenPrinting CUPS versions prior to 2.4.16 Description The CUPS daemon cupsd contains an authorization bypass caused by case-insensitive username comparison during authorization checks. This allows an unprivileged user to gain unauthorized...

Linux kernel memory misreference vulnerability (CNVD-2026-16038)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A memory misreference vulnerability exists in the Linux kernel. The vulnerability stems from a mix-up in the instruction responsible for freeing memory. An attacker could explo...

Improper Certificate Validation

Overview Affected versions of this package are vulnerable to Improper Certificate Validation in the processing of X.509 certificate paths with DNS name constraints when the end-entity certificate lacks a subject alternative name. An attacker can circumvent DNS name constraints by using a mixed-ca...

CVE-2026-32884

Botan is a C++ cryptography library. Prior to version 3.11.0, during processing of an X.509 certificate path using name constraints which restrict the set of allowable DNS names, if no subject alternative name is defined in the end-entity certificate Botan would check that the CN was allowed by t...