{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-49826","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-06-01T18:50:36.055Z","datePublished":"2026-08-14T16:25:56.406Z","dateUpdated":"2026-08-14T18:06:17.054Z"},"containers":{"cna":{"title":"Concourse login flow has an open redirect issue","problemTypes":[{"descriptions":[{"cweId":"CWE-601","lang":"en","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":0,"baseSeverity":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"references":[{"name":"https://github.com/concourse/concourse/security/advisories/GHSA-8w27-c4vc-88q9","tags":["x_refsource_CONFIRM"],"url":"https://github.com/concourse/concourse/security/advisories/GHSA-8w27-c4vc-88q9"},{"name":"https://github.com/concourse/concourse/commit/ac60be5f0435b6592f5a4fcc089050d72ad2452c","tags":["x_refsource_MISC"],"url":"https://github.com/concourse/concourse/commit/ac60be5f0435b6592f5a4fcc089050d72ad2452c"},{"name":"https://github.com/concourse/concourse/releases/tag/v8.2.3","tags":["x_refsource_MISC"],"url":"https://github.com/concourse/concourse/releases/tag/v8.2.3"}],"affected":[{"vendor":"concourse","product":"concourse","versions":[{"version":"< 8.2.3","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-08-14T16:25:56.406Z"},"descriptions":[{"lang":"en","value":"Concourse is a container-based automation system written in Go. Prior to version 8.2.3, an attacker is able to craft and send a user a URL that will redirect the user from the Concourse web server to any other site. This could be used in a phishing attack to steal user's credentials. This has been fixed in 8.2.3. No known workarounds are available."}],"source":{"advisory":"GHSA-8w27-c4vc-88q9","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-14T17:41:36.703999Z","id":"CVE-2026-49826","options":[{"Exploitation":"none"},{"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":"2026-08-14T18:06:17.054Z"}}]}}