{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-25808","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-02-05T19:58:01.642Z","datePublished":"2026-02-09T21:50:10.579Z","dateUpdated":"2026-02-10T21:23:34.888Z"},"containers":{"cna":{"title":"Hollo DMs get leaked and can be seen on Webfinger Browser","problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/fedify-dev/hollo/security/advisories/GHSA-6r2w-3pcj-v4v5","tags":["x_refsource_CONFIRM"],"url":"https://github.com/fedify-dev/hollo/security/advisories/GHSA-6r2w-3pcj-v4v5"},{"name":"https://github.com/fedify-dev/hollo/commit/329969c502ef092d5c3f9c2c20421c34f4ff0f0e","tags":["x_refsource_MISC"],"url":"https://github.com/fedify-dev/hollo/commit/329969c502ef092d5c3f9c2c20421c34f4ff0f0e"},{"name":"https://github.com/fedify-dev/hollo/releases/tag/0.6.20","tags":["x_refsource_MISC"],"url":"https://github.com/fedify-dev/hollo/releases/tag/0.6.20"},{"name":"https://github.com/fedify-dev/hollo/releases/tag/0.7.2","tags":["x_refsource_MISC"],"url":"https://github.com/fedify-dev/hollo/releases/tag/0.7.2"}],"affected":[{"vendor":"fedify-dev","product":"hollo","versions":[{"version":"< 0.6.20, 0.7.2","status":"affected"},{"version":">= 7.0.0, < 0.7.2","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-02-09T21:50:10.579Z"},"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."}],"source":{"advisory":"GHSA-6r2w-3pcj-v4v5","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-02-10T21:23:28.921772Z","id":"CVE-2026-25808","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-02-10T21:23:34.888Z"}}]}}