{"id":"CVE-2026-105846","state":"PUBLISHED","title":"Payload: Untrusted redirect URL parameter exploit","description":"Payload is a free and open source headless content management system. In versions from 3.40.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an attacker can craft a redirect URL parameter that sends a guest user to an untrusted destination after the authentication flow completes. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27.","publishedAt":"2026-10-06T16:01:30.370Z","updatedAt":"2026-10-06T17:39:36.818Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["payloadcms payload","@payloadcms next"],"affected":[{"vendor":"payloadcms","product":"payload","versions":[{"version":">= 3.40.0, < 3.88.0","status":"affected"},{"version":">= 4.0.0-canary.0, < 4.0.0-canary.27","status":"affected"}]},{"vendor":"@payloadcms","product":"next","versions":[{"version":">= 3.31.0, < 3.88.0","status":"affected"},{"version":">= 4.0.0-canary.0, < 4.0.0-canary.27","status":"affected"}]}],"references":["https://github.com/payloadcms/payload/security/advisories/GHSA-w84c-53h3-mc2g","https://github.com/payloadcms/payload/commit/a742140ab4fca3160f7f83e9e7d996552ffc3b5a","https://github.com/payloadcms/payload/releases/tag/v3.88.0"],"weaknesses":["CWE-601"],"ingestedAt":"2026-10-29T20:10:23.711Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/105xxx/CVE-2026-105846.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-105846","state":"PUBLISHED","datePublished":"2026-10-06T16:01:30.370Z","dateUpdated":"2026-10-06T17:39:36.818Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-10-05T23:06:29.747Z"},"containers":{"cna":{"title":"Payload: Untrusted redirect URL parameter exploit","descriptions":[{"lang":"en","value":"Payload is a free and open source headless content management system. In versions from 3.40.0 before 3.88.0 and canary versions before 4.0.0-canary.27, an attacker can craft a redirect URL parameter that sends a guest user to an untrusted destination after the authentication flow completes. This issue is fixed in versions 3.88.0 and 4.0.0-canary.27."}],"affected":[{"vendor":"payloadcms","product":"payload","versions":[{"version":">= 3.40.0, < 3.88.0","status":"affected"},{"version":">= 4.0.0-canary.0, < 4.0.0-canary.27","status":"affected"}]},{"vendor":"@payloadcms","product":"next","versions":[{"version":">= 3.31.0, < 3.88.0","status":"affected"},{"version":">= 4.0.0-canary.0, < 4.0.0-canary.27","status":"affected"}]}],"references":[{"url":"https://github.com/payloadcms/payload/security/advisories/GHSA-w84c-53h3-mc2g","name":"https://github.com/payloadcms/payload/security/advisories/GHSA-w84c-53h3-mc2g","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/payloadcms/payload/commit/a742140ab4fca3160f7f83e9e7d996552ffc3b5a","name":"https://github.com/payloadcms/payload/commit/a742140ab4fca3160f7f83e9e7d996552ffc3b5a","tags":["x_refsource_MISC"]},{"url":"https://github.com/payloadcms/payload/releases/tag/v3.88.0","name":"https://github.com/payloadcms/payload/releases/tag/v3.88.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-601","lang":"en","description":"CWE-601: URL Redirection to Untrusted Site ('Open Redirect')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-10-06T16:01:30.370Z"},"source":{"advisory":"GHSA-w84c-53h3-mc2g","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-06T17:34:11.494178Z","id":"CVE-2026-105846","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":"2026-10-06T17:39:36.818Z"}}]}}}