CVE-2026-25480

{"id": "CVE-2026-25480", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 3.9}]}, "published": "2026-02-09T20:15:57.330", "references": [{"url": "https://docs.litestar.dev/2/release-notes/changelog.html#2.20.0", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/litestar-org/litestar/commit/85db6183a76f8a6b3fd6ee3c88d860b9f37a2cca", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/litestar-org/litestar/releases/tag/v2.20.0", "tags": ["Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/litestar-org/litestar/security/advisories/GHSA-vxqx-rh46-q2pg", "tags": ["Exploit", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-176"}]}], "descriptions": [{"lang": "en", "value": "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 remote attacker can trigger cache key collisions via crafted paths, causing one URL to serve cached responses of another (cache poisoning/mixup). This vulnerability is fixed in 2.20.0."}, {"lang": "es", "value": "Litestar es un framework de Interfaz de Pasarela de Servidor As\u00edncrono (ASGI). Antes de la versi\u00f3n 2.20.0, FileStore mapea las claves de cach\u00e9 a nombres de archivo utilizando la normalizaci\u00f3n Unicode NFKD y la sustituci\u00f3n ord() sin separadores, creando colisiones de claves. Cuando FileStore se utiliza como backend de cach\u00e9 de respuestas, un atacante remoto no autenticado puede desencadenar colisiones de claves de cach\u00e9 a trav\u00e9s de rutas manipuladas, haciendo que una URL sirva respuestas en cach\u00e9 de otra (envenenamiento/mezcla de cach\u00e9). Esta vulnerabilidad est\u00e1 corregida en la versi\u00f3n 2.20.0."}], "lastModified": "2026-02-17T15:12:34.963", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:litestar:litestar:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "67E26161-0CDE-4B8F-A065-04A19BC4CDCB", "versionEndExcluding": "2.20.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}