CVE-2026-33483

{"id": "CVE-2026-33483", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2026-03-23T15:16:34.717", "references": [{"url": "https://github.com/WWBN/AVideo/commit/33d1bae6c731ef1682fcdc47b428313be073a5d1", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/WWBN/AVideo/security/advisories/GHSA-vv7w-qf5c-734w", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-770"}]}], "descriptions": [{"lang": "en", "value": "WWBN AVideo is an open source video platform. In versions up to and including 26.0, the `aVideoEncoderChunk.json.php` endpoint is a completely standalone PHP script with no authentication, no framework includes, and no resource limits. An unauthenticated remote attacker can send arbitrary POST data which is written to persistent temp files in `/tmp/` with no size cap, no rate limiting, and no cleanup mechanism. This allows trivial disk space exhaustion leading to denial of service of the entire server. Commit 33d1bae6c731ef1682fcdc47b428313be073a5d1 contains a patch."}, {"lang": "es", "value": "WWBN AVideo es una plataforma de video de c\u00f3digo abierto. En versiones hasta la 26.0 inclusive, el endpoint 'aVideoEncoderChunk.json.php' es un script PHP completamente aut\u00f3nomo sin autenticaci\u00f3n, sin inclusiones de framework y sin l\u00edmites de recursos. Un atacante remoto no autenticado puede enviar datos POST arbitrarios que se escriben en archivos temporales persistentes en '/tmp/' sin l\u00edmite de tama\u00f1o, sin limitaci\u00f3n de velocidad y sin mecanismo de limpieza. Esto permite un agotamiento trivial del espacio en disco lo que lleva a la denegaci\u00f3n de servicio de todo el servidor. El commit 33d1bae6c731ef1682fcdc47b428313be073a5d1 contiene un parche."}], "lastModified": "2026-03-24T18:36:55.063", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "774C24F1-9D26-484F-B931-1DA107C8F588", "versionEndIncluding": "26.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}