CVE-2026-25808

{"id": "CVE-2026-25808", "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:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2026-02-09T22:16:02.440", "references": [{"url": "https://github.com/fedify-dev/hollo/commit/329969c502ef092d5c3f9c2c20421c34f4ff0f0e", "tags": ["Patch"], "source": "security-advisories@github.com"}, {"url": "https://github.com/fedify-dev/hollo/releases/tag/0.6.20", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/fedify-dev/hollo/releases/tag/0.7.2", "tags": ["Product", "Release Notes"], "source": "security-advisories@github.com"}, {"url": "https://github.com/fedify-dev/hollo/security/advisories/GHSA-6r2w-3pcj-v4v5", "tags": ["Vendor Advisory", "Exploit"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "Hollo is a federated single-user microblogging software designed to be federated through ActivityPub. Prior to 0.6.20 and 0.7.2, there is a security vulnerability where DMs and followers-only posts were exposed through the ActivityPub outbox endpoint without authorization. This vulnerability is fixed in 0.6.20 and 0.7.2."}, {"lang": "es", "value": "Hollo es un software de microblogging de un solo usuario federado dise\u00f1ado para ser federado a trav\u00e9s de ActivityPub. Antes de 0.6.20 y 0.7.2, existe una vulnerabilidad de seguridad donde los mensajes directos (MD) y las publicaciones solo para seguidores fueron expuestos a trav\u00e9s del endpoint de bandeja de salida de ActivityPub sin autorizaci\u00f3n. Esta vulnerabilidad est\u00e1 corregida en 0.6.20 y 0.7.2."}], "lastModified": "2026-02-28T00:17:33.850", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:fedify:hollo:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A1422F95-7A77-4327-B1F1-95B79678E9AB", "versionEndExcluding": "0.6.20", "versionStartIncluding": "0.6.0"}, {"criteria": "cpe:2.3:a:fedify:hollo:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "10E08CBE-B4F8-4DF9-A84F-BCC0BAEF3A4C", "versionEndExcluding": "0.7.2", "versionStartIncluding": "0.7.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}