CVE-2024-2887

CVE-2024-2887 This is a short writeup for the CVE-2024-2887, which I used to claim V8CTF M123. When define more types than kV8MaxWasmTypes, which can be achieved by padding more types in RecGroup, the types index can be more than 20bits and then overflowed. Then two types can be considered same a...

DEBIAN-CVE-2026-86434

league/commonmark versions = 2.0.0 and 2.8.4 patched in 2.9.0 contain a denial of service vulnerability in UniqueSlugNormalizer::normalize, which restarts its numeric-suffix search from 1 on every slug collision, resulting in OK^2 time complexity for K headings that collapse to the same base slug...

CVE-2026-86434

league/commonmark versions = 2.0.0 and 2.8.4 patched in 2.9.0 contain a denial of service vulnerability in UniqueSlugNormalizer::normalize, which restarts its numeric-suffix search from 1 on every slug collision, resulting in OK^2 time complexity for K headings that collapse to the same base slug...

CVE-2026-86434

league/commonmark (PHP) versions ≥ 2.0.0 and

PT-2026-86800

league/commonmark versions = 2.0.0 and 2.8.4 patched in 2.9.0 contain a denial of service vulnerability in UniqueSlugNormalizer::normalize, which restarts its numeric-suffix search from 1 on every slug collision, resulting in OK^2 time complexity for K headings that collapse to the same base slug...

Linux Distros Unpatched Vulnerability : CVE-2026-80886

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - serial: msm: Disable DMA for kernel console UART At the moment, concurrent writes from userspace and the kernel to the console can trigger a race condition that...

collisions

Hash collisions and exploitations By Ange Albertini and Marc Stevens. FAQ TL;DR Q: Is it possible to make a file get an arbitrary MD2/MD4/MD5/MD6/SHA1/SHA2/SHA3, or the same hash as another file? A: No. Q: Can one create 2 different files with the same hash? A: With MD5, in a few seconds on a...

collisions

TL;DR getting an MD5 collision of these two images is now trivial and instant. ⟷ Don't play with fire, don't rely on MD5. Colliding any pair of files has been possible for many years, but it takes several hours each time, with no shortcut. This page provide tricks specific to file formats and...

CVE-2021-3754

CVE-2021-3754 Este repositorio documenta los detalles de vulnerabilidad y el exploit para CVE-2021-3754 descubierto y reportado por mí mismo el 21 de agosto de 2021 Métricas CWE-20: Validación de entrada incorrecta CVSS: 5.3 MEDIUM Descripción Se encontró una falla en Apache Keycloak y Redhat SSO...

CVE-2026-80886 serial: msm: Disable DMA for kernel console UART

In the Linux kernel, the following vulnerability has been resolved: serial: msm: Disable DMA for kernel console UART At the moment, concurrent writes from userspace and the kernel to the console can trigger a race condition that results in an infinite loop of the same messages printed over and ov...

EUVD-2026-71516

In the Linux kernel, the following vulnerability has been resolved: serial: msm: Disable DMA for kernel console UART At the moment, concurrent writes from userspace and the kernel to the console can trigger a race condition that results in an infinite loop of the same messages printed over and ov...

CVE-2026-19274

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated Kubernetes tenant to hijack or permanently destroy another tenant's cluster-level RBAC permissions, caused by cluster-scoped RBAC objects being keyed solely by the bare CR na...

CVE-2026-19274

IBM Observability with Instana (Agent) Build 1.0.303 through 1.0.323 contains a vulnerability in the Instana Agent Operator where cluster-scoped RBAC objects are keyed solely by the bare Custom Resource name with no namespace disambiguation. An authenticated Kubernetes tenant can exploit this by ...

EUVD-2026-71273

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated Kubernetes tenant to hijack or permanently destroy another tenant's cluster-level RBAC permissions, caused by cluster-scoped RBAC objects being keyed solely by the bare CR na...

CVE-2026-19274 IBM Instana Observability is affected by multiple vulnerabilities within Instana Agent container image

IBM Observability with Instana Agent Build 1.0.303 through 1.0.323 IBM Instana Agent Operator could allow an authenticated Kubernetes tenant to hijack or permanently destroy another tenant's cluster-level RBAC permissions, caused by cluster-scoped RBAC objects being keyed solely by the bare CR na...

CVE-2026-19300

IBM Langflow OSS versions 1.0.0 through 1.11.2 are affected by an information disclosure vulnerability in the unauthenticated public flow endpoint. The endpoint uses a heuristic denylist to scrub stored secrets from node templates, but omits fields such as Authentication, X-Session-Id, App-Key, a...

CVE-2026-19300 Langflow is vulnerable to information disclosure due to cross-user MCP tool cache collision and incomplete secret scrubbing on public flows

IBM Langflow OSS 1.0.0 through 1.11.2 could allow a remote attacker to obtain sensitive information due to incomplete scrubbing of sensitive credential fields...

the-token-was-a-row-number-cve-2026-67602-phpipam-rest-api-authentication-bypass

CVE-2026-67602 — phpIPAM 1.8.2 REST API Authentication Bypass Unauthenticated authentication bypass in the phpIPAM REST API, caused by an object-cache key collision: the database row cached while resolving an API app's appid satisfies the subsequent appcode token check whenever the supplied token...

CVE-2026-84504

fastify versions before 5.12.2 are vulnerable to a request body replacement flaw caused by an Ajv async validator result collision. When a request that passes its route schema contains a root-level property named value, fastify treats that property as the value result protocol used by custom vali...

CVE-2026-84504 fastify vulnerable to request body replacement via an async validation result collision

fastify versions before 5.12.2 treat the object resolved by a successful Ajv async validator as the value result protocol used by custom validator compilers. If a request that passes its route schema contains a property named value at the root, fastify replaces the entire request body with that...