{"id":"CVE-2026-77337","state":"PUBLISHED","title":"CakePHP: Potential Authentication bypass with CookieAuthenticator","description":"CakePHP Authentication is an authentication plugin for CakePHP that can also be used in PSR-7 based applications. Versions before 2.11.2, from 3.0.0 through 3.3.6, and from 4.0.0 through 4.2.0 allow authentication bypass and potential CPU or memory exhaustion when CookieAuthenticator uses unencrypted, forgeable legacy tokens. This issue is fixed in versions 2.11.2, 3.3.7, and 4.2.1.","publishedAt":"2026-08-24T21:30:06.817Z","updatedAt":"2026-08-25T19:23:34.125Z","severity":{"score":9.1,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["cakephp authentication"],"affected":[{"vendor":"cakephp","product":"authentication","versions":[{"version":"< 2.11.2","status":"affected"},{"version":">= 3.0.0, < 3.3.7","status":"affected"},{"version":">= 4.0.0, < 4.2.1","status":"affected"}]}],"references":["https://github.com/cakephp/authentication/security/advisories/GHSA-h7xh-9h2x-2m37","https://github.com/cakephp/authentication/pull/806","https://github.com/cakephp/authentication/pull/807","https://github.com/cakephp/authentication/commit/c94d9a5380e7f4fdf38d338a9de2223a5b087159"],"weaknesses":["CWE-290","CWE-770"],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/77xxx/CVE-2026-77337.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-77337","state":"PUBLISHED","datePublished":"2026-08-24T21:30:06.817Z","dateUpdated":"2026-08-25T19:23:34.125Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-08-20T19:24:11.618Z"},"containers":{"cna":{"title":"CakePHP: Potential Authentication bypass with CookieAuthenticator","descriptions":[{"lang":"en","value":"CakePHP Authentication is an authentication plugin for CakePHP that can also be used in PSR-7 based applications. Versions before 2.11.2, from 3.0.0 through 3.3.6, and from 4.0.0 through 4.2.0 allow authentication bypass and potential CPU or memory exhaustion when CookieAuthenticator uses unencrypted, forgeable legacy tokens. This issue is fixed in versions 2.11.2, 3.3.7, and 4.2.1."}],"affected":[{"vendor":"cakephp","product":"authentication","versions":[{"version":"< 2.11.2","status":"affected"},{"version":">= 3.0.0, < 3.3.7","status":"affected"},{"version":">= 4.0.0, < 4.2.1","status":"affected"}]}],"references":[{"url":"https://github.com/cakephp/authentication/security/advisories/GHSA-h7xh-9h2x-2m37","name":"https://github.com/cakephp/authentication/security/advisories/GHSA-h7xh-9h2x-2m37","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/cakephp/authentication/pull/806","name":"https://github.com/cakephp/authentication/pull/806","tags":["x_refsource_MISC"]},{"url":"https://github.com/cakephp/authentication/pull/807","name":"https://github.com/cakephp/authentication/pull/807","tags":["x_refsource_MISC"]},{"url":"https://github.com/cakephp/authentication/commit/c94d9a5380e7f4fdf38d338a9de2223a5b087159","name":"https://github.com/cakephp/authentication/commit/c94d9a5380e7f4fdf38d338a9de2223a5b087159","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":9.1,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-290","lang":"en","description":"CWE-290: Authentication Bypass by Spoofing","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-770","lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-24T21:30:06.817Z"},"source":{"advisory":"GHSA-h7xh-9h2x-2m37","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-25T18:32:35.314141Z","id":"CVE-2026-77337","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":"2026-08-25T19:23:34.125Z"}}]}}}