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{"cveTags": [], "descriptions": [{"lang": "en", "value": "Lemmy, a link aggregator and forum for the fediverse, is vulnerable to server-side request forgery via a dependency on activitypub_federation, a framework for ActivityPub federation in Rust. This vulnerability, which is present in versions 0.6.2 and prior of activitypub_federation and versions 0.19.8 and prior of Lemmy, allows a user to bypass any predefined hardcoded URL path or security anti-Localhost mechanism and perform an arbitrary GET request to any Host, Port and URL using a Webfinger Request. As of time of publication, a fix has not been made available."}, {"lang": "es", "value": "Lemmy, un agregador de enlaces y foro para el fediverso, es vulnerable a server-side request forgery a trav\u00e9s de una dependencia de activitypub_federation, un framework para la federaci\u00f3n de ActivityPub en Rust. Esta vulnerabilidad, que est\u00e1 presente en las versiones 0.6.2 y anteriores de activitypub_federation y en las versiones 0.19.8 y anteriores de Lemmy, permite a un usuario eludir cualquier ruta URL predefinida codificada o mecanismo anti-Localhost de seguridad y realizar una solicitud GET arbitraria a cualquier host, puerto y URL mediante una solicitud Webfinger. Al momento de la publicaci\u00f3n, no se hab\u00eda puesto a disposici\u00f3n una soluci\u00f3n."}], "id": "CVE-2025-25194", "lastModified": "2026-04-15T00:35:42.020", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.0, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2025-02-10T23:15:16.067", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/LemmyNet/lemmy/security/advisories/GHSA-7723-35v7-qcxw"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-918"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

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