{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-14917","assignerOrgId":"02762ae7-200e-4b20-9b2b-a77d5b8fc4cb","state":"PUBLISHED","assignerShortName":"Kong","dateReserved":"2026-07-07T07:14:57.290Z","datePublished":"2026-09-16T10:06:07.410Z","dateUpdated":"2026-09-16T13:26:06.116Z"},"containers":{"cna":{"providerMetadata":{"orgId":"02762ae7-200e-4b20-9b2b-a77d5b8fc4cb","shortName":"Kong","dateUpdated":"2026-09-16T10:06:07.410Z"},"title":"Kong API Gateway Enterprise: SAML Authentication bypass","problemTypes":[{"descriptions":[{"lang":"en","cweId":"CWE-288","description":"CWE-288 Authentication bypass using an alternate path or channel","type":"CWE"}]}],"impacts":[{"capecId":"CAPEC-115","descriptions":[{"lang":"en","value":"CAPEC-115 Authentication Bypass"}]}],"affected":[{"vendor":"Kong","product":"Kong Enterprise Gateway","platforms":["Linux"],"versions":[{"status":"affected","version":"3.15.0.0","lessThan":"3.15.0.3","versionType":"custom"},{"status":"affected","version":"3.14.0.0","lessThan":"3.14.0.12","versionType":"custom"},{"status":"affected","version":"3.13.0.0","lessThan":"3.13.0.9","versionType":"custom"},{"status":"affected","version":"3.12.0.0","lessThan":"3.12.0.10","versionType":"custom"},{"status":"affected","version":"3.10.0.0","lessThan":"3.10.0.17","versionType":"custom"},{"status":"affected","version":"3.4.0.0","lessThan":"3.4.3.29","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"A SAML authentication bypass vulnerability affects the Kong SAML plugin when the validate_assertion_signature option is explicitly set to false. This option is enabled by default. When disabled, the plugin may extract the SAML identity from an unsigned assertion and authenticate the user without verifying a valid cryptographic signature.\n\n\n\nAs a result, an unauthenticated remote attacker may be able to submit a crafted SAML response and impersonate arbitrary users, including administrators","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>A SAML authentication bypass vulnerability affects the Kong SAML plugin when the validate_assertion_signature option is explicitly set to false. This option is enabled by default. When disabled, the plugin may extract the SAML identity from an unsigned assertion and authenticate the user without verifying a valid cryptographic signature.</p><p><span>As a result, an unauthenticated remote attacker may be able to submit a crafted SAML response and impersonate arbitrary users, including administrators</span></p><br>"}]}],"references":[{"url":"https://developer.konghq.com/gateway/changelog/#3-15-0-3","tags":["patch"]}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED","version":"4.0","baseSeverity":"HIGH","baseScore":7.7,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N"}}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-16T13:25:56.362396Z","id":"CVE-2026-14917","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":"2026-09-16T13:26:06.116Z"}}]}}