CVE-2026-76216

Vikunja through 2.4.0 contains a principal-type confusion vulnerability where LinkSharing principals with id N are treated as user principals with users.id == N at three permission checks lacking type guards. Attackers with a link-share JWT can remove victims from teams, enumerate and delete vict...

CVE-2026-76216: Authorization Bypass Through User-Controlled Key

Vikunja through 2.4.0 contains a principal-type confusion vulnerability where LinkSharing principals with id N are treated as user principals with users.id == N at three permission checks lacking type guards. Attackers with a link-share JWT can remove victims from teams, enumerate and delete vict...

EUVD-2026-42330

Mistune toc / TableOfContents directive: heading IDs use predictable tocN numbering with no slugification, allowing collision with attacker-controlled id="tocN" content...

Mistune toc / TableOfContents directive: heading IDs use predictable `toc_N` numbering with no slugification, allowing collision with attacker-controlled `id="toc_N"` content

Summary Type: Predictable identifier generation. The toc plugin and TableOfContents directive both default to generating heading IDs of the form toc1, toc2, toc3, ... with no input-derived component. An attacker who can place a heading anywhere in the document can predict which tocN ID it will...

openSUSE 16 Security Update : python-mistune (openSUSE-SU-2026:21339-1)

The remote openSUSE 16 host has a package installed that is affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21339-1 advisory. This update for python-mistune fixes the following issues - CVE-2026-59922: quadratic-time parsing on long runs of some markers in formatting.py...

Linux Distros Unpatched Vulnerability : CVE-2026-59930

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, the toc plugin and TableOfContents directive generate heading IDs as predictable...

CVE-2026-59930

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, the toc plugin and TableOfContents directive generate heading IDs as predictable tocN values without slugifying the heading text, allowing attacker-controlled id="tocN" content to collide with generated anchors and...

PT-2026-56513

Name of the Vulnerable Software and Affected Versions Mistune versions prior to 3.3.0 Description The toc plugin and TableOfContents directive generate heading IDs using predictable toc N values instead of slugifying the heading text. This allows attacker-controlled content with id="toc N" to...

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

Summary Cross-client data leak via two distinct issues: 1 reusing a single StreamableHTTPServerTransport across multiple client requests, and 2 reusing a single McpServer/Server instance across multiple transports. Both are most common in stateless deployments. Impact This advisory covers two...

CVE-2025-23020

An issue was discovered in Kwik before 0.10.1. A hash collision vulnerability in the hash table used to manage connections allows remote attackers to cause a considerable CPU load on the server a Hash DoS attack by initiating connections with colliding Source Connection IDs SCIDs...

CVE-2021-32036

An authenticated user without any specific authorizations may be able to repeatedly invoke the features command where at a high volume may lead to resource depletion or generate high lock contention. This may result in denial of service and in rare cases could result in id field collisions. This...

PT-2022-10062 · Mongodb +1 · Mongodb Server +2

Name of the Vulnerable Software and Affected Versions: MongoDB Server versions prior to and including 5.0.3 MongoDB Server versions prior to and including 4.4.9 MongoDB Server versions prior to and including 4.2.16 MongoDB Server versions prior to and including 4.0.28 Description: An authenticate...

PT-2021-1009

Name of the Vulnerable Software and Affected Versions: glibc affected versions not specified Description: The issue concerns the glibc packages, which provide essential C libraries for the Linux system. It involves problems with Transaction ID collisions that cause slow DNS lookups in the...