{"id":"CVE-2026-55652","state":"PUBLISHED","title":"Wekan: Header-login IP allowlist bypass via X-Forwarded-For spoofing in Wekan allows unauthenticated full account takeover (incl. admin)","description":"Wekan is open source kanban built with Meteor. Prior to 9.46, header-login with HEADER_LOGIN_TRUSTED_IPS uses getRequestIp() in server/lib/headerLoginAuth.js to trust the client-supplied X-Forwarded-For header before the real socket address, allowing an unauthenticated attacker to send HEADER_LOGIN_ID for any username and receive a meteor_login_token session, including for admin. This issue is fixed in version 9.46.","publishedAt":"2026-07-15T21:15:11.246Z","updatedAt":"2026-07-17T12:36:23.896Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["wekan wekan"],"affected":[{"vendor":"wekan","product":"wekan","versions":[{"version":"< 9.46","status":"affected"}]}],"references":["https://github.com/wekan/wekan/security/advisories/GHSA-jggc-qvfc-jr6x","https://github.com/wekan/wekan/commit/b181889a565254bc9bf79379a34fc7f617ccda28","https://github.com/wekan/wekan/releases/tag/v9.46"],"weaknesses":["CWE-287","CWE-290"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/55xxx/CVE-2026-55652.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55652","state":"PUBLISHED","datePublished":"2026-07-15T21:15:11.246Z","dateUpdated":"2026-07-17T12:36:23.896Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-16T23:52:12.059Z"},"containers":{"cna":{"title":"Wekan: Header-login IP allowlist bypass via X-Forwarded-For spoofing in Wekan allows unauthenticated full account takeover (incl. admin)","descriptions":[{"lang":"en","value":"Wekan is open source kanban built with Meteor. Prior to 9.46, header-login with HEADER_LOGIN_TRUSTED_IPS uses getRequestIp() in server/lib/headerLoginAuth.js to trust the client-supplied X-Forwarded-For header before the real socket address, allowing an unauthenticated attacker to send HEADER_LOGIN_ID for any username and receive a meteor_login_token session, including for admin. This issue is fixed in version 9.46."}],"affected":[{"vendor":"wekan","product":"wekan","versions":[{"version":"< 9.46","status":"affected"}]}],"references":[{"url":"https://github.com/wekan/wekan/security/advisories/GHSA-jggc-qvfc-jr6x","name":"https://github.com/wekan/wekan/security/advisories/GHSA-jggc-qvfc-jr6x","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/wekan/wekan/commit/b181889a565254bc9bf79379a34fc7f617ccda28","name":"https://github.com/wekan/wekan/commit/b181889a565254bc9bf79379a34fc7f617ccda28","tags":["x_refsource_MISC"]},{"url":"https://github.com/wekan/wekan/releases/tag/v9.46","name":"https://github.com/wekan/wekan/releases/tag/v9.46","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-287","lang":"en","description":"CWE-287: Improper Authentication","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-290","lang":"en","description":"CWE-290: Authentication Bypass by Spoofing","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-15T21:15:11.246Z"},"source":{"advisory":"GHSA-jggc-qvfc-jr6x","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/wekan/wekan/security/advisories/GHSA-jggc-qvfc-jr6x","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-17T12:36:20.248825Z","id":"CVE-2026-55652","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-17T12:36:23.896Z"}}]}}}