{"id":"CVE-2026-55590","state":"PUBLISHED","title":"CakePHP: Open redirect weakness via backslash bypass","description":"CakePHP Authentication is an authentication plugin for CakePHP that can also be used in PSR-7 based applications. Prior to 2.11.1, 3.3.6, and 4.1.1, the getLoginRedirect() method contains a weakness to backslash bypasses that allows redirect targets with attacker-controlled hostnames through the redirect query string parameter. This issue is fixed in versions 2.11.1, 3.3.6, and 4.1.1.","publishedAt":"2026-07-09T18:55:30.241Z","updatedAt":"2026-07-09T19:18:12.885Z","severity":{"score":5.1,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["cakephp authentication"],"affected":[{"vendor":"cakephp","product":"authentication","versions":[{"version":"< 2.11.1","status":"affected"},{"version":">= 3.0.0, < 3.3.6","status":"affected"},{"version":">= 4.0.0, < 4.1.1","status":"affected"}]}],"references":["https://github.com/cakephp/authentication/security/advisories/GHSA-hhpq-7wg4-36jm","https://github.com/cakephp/authentication/pull/795","https://github.com/cakephp/authentication/pull/796","https://github.com/cakephp/authentication/pull/799","https://github.com/cakephp/authentication/commit/1c1e29c7e8129cfbcae74558316ecd3ea50a8273","https://github.com/cakephp/authentication/commit/df28ea4e712f1e5bd0e42be4a3c5c750ca50764d","https://github.com/cakephp/authentication/commit/ee24bd48b9c3ef693dc9965de8f0cc8020a7052c","https://github.com/cakephp/authentication/releases/tag/2.11.1","https://github.com/cakephp/authentication/releases/tag/3.3.6","https://github.com/cakephp/authentication/releases/tag/4.1.1"],"weaknesses":["CWE-601"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/55xxx/CVE-2026-55590.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-55590","state":"PUBLISHED","datePublished":"2026-07-09T18:55:30.241Z","dateUpdated":"2026-07-09T19:18:12.885Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-16T23:18:03.170Z"},"containers":{"cna":{"title":"CakePHP: Open redirect weakness via backslash bypass","descriptions":[{"lang":"en","value":"CakePHP Authentication is an authentication plugin for CakePHP that can also be used in PSR-7 based applications. Prior to 2.11.1, 3.3.6, and 4.1.1, the getLoginRedirect() method contains a weakness to backslash bypasses that allows redirect targets with attacker-controlled hostnames through the redirect query string parameter. This issue is fixed in versions 2.11.1, 3.3.6, and 4.1.1."}],"affected":[{"vendor":"cakephp","product":"authentication","versions":[{"version":"< 2.11.1","status":"affected"},{"version":">= 3.0.0, < 3.3.6","status":"affected"},{"version":">= 4.0.0, < 4.1.1","status":"affected"}]}],"references":[{"url":"https://github.com/cakephp/authentication/security/advisories/GHSA-hhpq-7wg4-36jm","name":"https://github.com/cakephp/authentication/security/advisories/GHSA-hhpq-7wg4-36jm","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/cakephp/authentication/pull/795","name":"https://github.com/cakephp/authentication/pull/795","tags":["x_refsource_MISC"]},{"url":"https://github.com/cakephp/authentication/pull/796","name":"https://github.com/cakephp/authentication/pull/796","tags":["x_refsource_MISC"]},{"url":"https://github.com/cakephp/authentication/pull/799","name":"https://github.com/cakephp/authentication/pull/799","tags":["x_refsource_MISC"]},{"url":"https://github.com/cakephp/authentication/commit/1c1e29c7e8129cfbcae74558316ecd3ea50a8273","name":"https://github.com/cakephp/authentication/commit/1c1e29c7e8129cfbcae74558316ecd3ea50a8273","tags":["x_refsource_MISC"]},{"url":"https://github.com/cakephp/authentication/commit/df28ea4e712f1e5bd0e42be4a3c5c750ca50764d","name":"https://github.com/cakephp/authentication/commit/df28ea4e712f1e5bd0e42be4a3c5c750ca50764d","tags":["x_refsource_MISC"]},{"url":"https://github.com/cakephp/authentication/commit/ee24bd48b9c3ef693dc9965de8f0cc8020a7052c","name":"https://github.com/cakephp/authentication/commit/ee24bd48b9c3ef693dc9965de8f0cc8020a7052c","tags":["x_refsource_MISC"]},{"url":"https://github.com/cakephp/authentication/releases/tag/2.11.1","name":"https://github.com/cakephp/authentication/releases/tag/2.11.1","tags":["x_refsource_MISC"]},{"url":"https://github.com/cakephp/authentication/releases/tag/3.3.6","name":"https://github.com/cakephp/authentication/releases/tag/3.3.6","tags":["x_refsource_MISC"]},{"url":"https://github.com/cakephp/authentication/releases/tag/4.1.1","name":"https://github.com/cakephp/authentication/releases/tag/4.1.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0"}}],"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":"2026-07-09T18:55:30.241Z"},"source":{"advisory":"GHSA-hhpq-7wg4-36jm","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-09T19:18:05.336526Z","id":"CVE-2026-55590","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":"2026-07-09T19:18:12.885Z"}}]}}}