CVE-2026-27447 OpenPrinting CUPS: Authorization bypass via case-insensitive group-member lookup

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...

CVE-2026-22665

CVE-2026-22665 affects prompts.chat prior to commit 1464475. The root cause is inconsistent handling of usernames across write and read paths, mixing case-sensitive and case-insensitive comparisons. This identity confusion allows creation of case-variant usernames that bypass uniqueness checks, e...

CVE-2026-22665 prompts.chat Identity Confusion via Case-Sensitive Username Handling

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-2026-22665 prompts.chat Identity Confusion via Case-Sensitive Username Handling

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-2026-22665 prompts.chat Identity Confusion via Case-Sensitive Username Handling

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...

OpenPrinting CUPS 安全漏洞

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...

PT-2026-30229

Name of the Vulnerable Software and Affected Versions prompts.chat versions prior to commit 1464475 Description prompts.chat is susceptible to an identity confusion issue stemming from inconsistent case sensitivity in username handling during write and read operations. This allows attackers to...

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-2025-68753

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|...

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|...

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...

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:...

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:...

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|...