{"id":"CVE-2026-42195","state":"PUBLISHED","title":"Unvalidated gitlab URL parameter redirects OAuth authorize step to attacker-controlled host","description":"draw.io is a configurable diagramming and whiteboarding application. Prior to version 29.7.9, the draw.io client accepts a ?gitlab= URL parameter that overrides the GitLab server URL used during OAuth sign-in. A crafted link causes the user's click on draw.io's \"Authorize in GitLab\" dialog to open a popup on the attacker-controlled host instead of gitlab.com. This can lead to credential fishing and session state token exfiltration. This issue has been patched in version 29.7.9.","publishedAt":"2026-05-08T21:22:40.678Z","updatedAt":"2026-05-13T17:47:31.482Z","severity":{"score":3.4,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["jgraph drawio"],"affected":[{"vendor":"jgraph","product":"drawio","versions":[{"version":"< 29.7.9","status":"affected"}]}],"references":["https://github.com/jgraph/drawio/security/advisories/GHSA-8x7j-m8px-7p8x","https://github.com/jgraph/drawio/issues/493","https://github.com/jgraph/drawio/releases/tag/v29.7.9"],"weaknesses":["CWE-601","CWE-200"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/42xxx/CVE-2026-42195.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42195","state":"PUBLISHED","datePublished":"2026-05-08T21:22:40.678Z","dateUpdated":"2026-05-13T17:47:31.482Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-25T01:53:21.584Z"},"containers":{"cna":{"title":"Unvalidated gitlab URL parameter redirects OAuth authorize step to attacker-controlled host","descriptions":[{"lang":"en","value":"draw.io is a configurable diagramming and whiteboarding application. Prior to version 29.7.9, the draw.io client accepts a ?gitlab= URL parameter that overrides the GitLab server URL used during OAuth sign-in. A crafted link causes the user's click on draw.io's \"Authorize in GitLab\" dialog to open a popup on the attacker-controlled host instead of gitlab.com. This can lead to credential fishing and session state token exfiltration. This issue has been patched in version 29.7.9."}],"affected":[{"vendor":"jgraph","product":"drawio","versions":[{"version":"< 29.7.9","status":"affected"}]}],"references":[{"url":"https://github.com/jgraph/drawio/security/advisories/GHSA-8x7j-m8px-7p8x","name":"https://github.com/jgraph/drawio/security/advisories/GHSA-8x7j-m8px-7p8x","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/jgraph/drawio/issues/493","name":"https://github.com/jgraph/drawio/issues/493","tags":["x_refsource_MISC"]},{"url":"https://github.com/jgraph/drawio/releases/tag/v29.7.9","name":"https://github.com/jgraph/drawio/releases/tag/v29.7.9","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":3.4,"baseSeverity":"LOW","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-601","lang":"en","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-08T21:22:40.678Z"},"source":{"advisory":"GHSA-8x7j-m8px-7p8x","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-13T17:18:43.655474Z","id":"CVE-2026-42195","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-13T17:47:31.482Z"}}]}}}