{"id":"CVE-2026-44695","state":"PUBLISHED","title":"Outline: Slack OAuth state can link a victim Outline account to an attacker Slack identity","description":"Outline is a service that allows for collaborative documentation. Prior to 1.7.1, the Slack integration callback for GET /auth/slack.post accepts an unsigned, session-independent OAuth state value. A third party who can obtain a Slack OAuth code for the same Outline Slack client can make a logged-in Outline user complete the callback and link that user's Outline account to the attacker's Slack team_id and user_id. The linked Slack identity can then use the Slack /outline search command as the victim Outline user. This vulnerability is fixed in 1.7.1.","publishedAt":"2026-05-11T21:11:25.679Z","updatedAt":"2026-05-12T13:30:44.950Z","severity":{"score":5.8,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["outline outline"],"affected":[{"vendor":"outline","product":"outline","versions":[{"version":"< 1.7.1","status":"affected"}]}],"references":["https://github.com/outline/outline/security/advisories/GHSA-mjgw-5j7q-gv8v"],"weaknesses":["CWE-352"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44695.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44695","state":"PUBLISHED","datePublished":"2026-05-11T21:11:25.679Z","dateUpdated":"2026-05-12T13:30:44.950Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-07T17:07:09.316Z"},"containers":{"cna":{"title":"Outline: Slack OAuth state can link a victim Outline account to an attacker Slack identity","descriptions":[{"lang":"en","value":"Outline is a service that allows for collaborative documentation. Prior to 1.7.1, the Slack integration callback for GET /auth/slack.post accepts an unsigned, session-independent OAuth state value. A third party who can obtain a Slack OAuth code for the same Outline Slack client can make a logged-in Outline user complete the callback and link that user's Outline account to the attacker's Slack team_id and user_id. The linked Slack identity can then use the Slack /outline search command as the victim Outline user. This vulnerability is fixed in 1.7.1."}],"affected":[{"vendor":"outline","product":"outline","versions":[{"version":"< 1.7.1","status":"affected"}]}],"references":[{"url":"https://github.com/outline/outline/security/advisories/GHSA-mjgw-5j7q-gv8v","name":"https://github.com/outline/outline/security/advisories/GHSA-mjgw-5j7q-gv8v","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.8,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-352","lang":"en","description":"CWE-352: Cross-Site Request Forgery (CSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-11T21:11:25.679Z"},"source":{"advisory":"GHSA-mjgw-5j7q-gv8v","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/outline/outline/security/advisories/GHSA-mjgw-5j7q-gv8v","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-12T13:30:41.528321Z","id":"CVE-2026-44695","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-12T13:30:44.950Z"}}]}}}