CVE-2026-25480

Litestar prior to 2.20.0 uses FileStore cache keys derived from Unicode NFKD normalization and ord() substitution without separators, enabling cache key collisions when used as a response-cache backend. An unauthenticated remote attacker can craft paths to trigger collisions, causing one URL to s...

CVE-2026-25480 FileStore key canonicalization collisions allow response cache mixup/poisoning (ASCII ord + Unicode NFKD)

Litestar is an Asynchronous Server Gateway Interface ASGI framework. Prior to 2.20.0, FileStore maps cache keys to filenames using Unicode NFKD normalization and ord substitution without separators, creating key collisions. When FileStore is used as response-cache backend, an unauthenticated remo...

GHSA-VXQX-RH46-Q2PG Litestar's FileStore key canonicalization collisions allow response cache mixup/poisoning (ASCII ord + Unicode NFKD)

Summary FileStore maps cache keys to filenames using Unicode NFKD normalization and ord substitution without separators, creating key collisions. When FileStore is used as response-cache backend, an unauthenticated remote attacker can trigger cache key collisions via crafted paths, causing one UR...

CVE-2026-0398

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor...

CVE-2026-0398

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor...

UBUNTU-CVE-2025-59023

Crafted delegations or IP fragments can poison cached delegations in Recursor...

UBUNTU-CVE-2026-0398

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor...

CVE-2026-0398

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor...

CVE-2026-0398 Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor...

CVE-2026-0398 Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor...

CVE-2026-0398

PowerDNS Recursor is affected by CVE-2026-0398. The issue involves crafted DNS zones that can cause increased resource usage and crafted CNAME chains that can lead to cache poisoning in the Recursor. The available documents do not specify affected versions, exact root cause in code paths, or offi...

CVE-2026-0398

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor...

CVE-2026-0398 Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor

Crafted zones can lead to increased resource usage and crafted CNAME chains can lead to cache poisoning in Recursor...

Litestar 安全漏洞

Litestar is a powerful, flexible, yet stubbornly opinionated ASGI framework developed by Litestar itself. Versions of Litestar prior to 2.20.0 contained security vulnerabilities. These vulnerabilities were caused by key conflicts in the caching key mapping mechanism, which could lead to cache...

PT-2026-7137

Name of the Vulnerable Software and Affected Versions Litestar versions prior to 2.20.0 Description Litestar is an Asynchronous Server Gateway Interface ASGI framework. When the FileStore is used as a response-cache backend, an unauthenticated remote attacker can trigger cache key collisions via...

PowerDNS Recursor（pdns_recursor） 安全漏洞

PowerDNS Recursor pdnsrecursor is a domain name resolution server developed by the Dutch company PowerDNS. PowerDNS Recursor has security vulnerabilities; these vulnerabilities stem from custom zones, which may lead to increased resource usage, and custom CNAME chains, which may cause cache...

client-certificate-auth Vulnerable to Open Redirect via Host Header Injection in HTTP-to-HTTPS redirect

Summary Versions 0.2.1 and 0.3.0 of client-certificate-auth contain an open redirect vulnerability. The middleware unconditionally redirects HTTP requests to HTTPS using the unvalidated Host header, allowing an attacker to redirect users to arbitrary domains. Vulnerable Code javascript //...

BIT-MASTODON-2026-25540 Mastodon's signature-dependent ActivityPub collection responses cached under signature-independent keys (Web Cache Poisoning via `Rails.cache`)

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.3.19, 4.4.13, 4.5.6, Mastodon is vulnerable to web cache poisoning via Rails.cache. When AUTHORIZEDFETCH is enabled, the ActivityPub endpoints for pinned posts and featured hashtags have contents that...

CVE-2026-25540

Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.3.19, 4.4.13, 4.5.6, Mastodon is vulnerable to web cache poisoning via Rails.cache. When AUTHORIZEDFETCH is enabled, the ActivityPub endpoints for pinned posts and featured hashtags have contents that...

CVE-2024-51451

IBM Concert 1.0.0 through 2.1.0 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking...