{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-15612","assignerOrgId":"37e5125f-f79b-445b-8fad-9564f167944b","state":"PUBLISHED","assignerShortName":"certcc","dateReserved":"2026-07-13T16:12:30.539Z","datePublished":"2026-07-23T15:45:27.100Z","dateUpdated":"2026-07-27T16:37:08.498Z"},"containers":{"cna":{"title":"LOIDC nonce validation bypass","descriptions":[{"lang":"en","value":"Logto bypasses OIDC nonce validation when the nonce claim is absent from the id_token, enabling replay of authentication tokens and weakening session-binding."}],"source":{"discovery":"UNKNOWN"},"affected":[{"vendor":"Logto","product":"Logto","versions":[{"status":"affected","version":"1.10.1","lessThanOrEqual":"1.37.1","versionType":"custom"}]}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-345 Insufficient Verification of Data Authenticity"}]}],"references":[{"url":"https://github.com/logto-io/logto/blob/ea3ede35028dfd0bbb6d7b239623ce0e7f6cdff8/packages/core/src/sso/OidcConnector/utils.ts#L175-L182"}],"x_generator":{"engine":"VINCE 3.0.43","env":"prod","origin":"https://cveawg.mitre.org/api/cve/CVE-2026-15612"},"providerMetadata":{"orgId":"37e5125f-f79b-445b-8fad-9564f167944b","shortName":"certcc","dateUpdated":"2026-07-23T15:45:27.100Z"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-345","lang":"en","description":"CWE-345 Insufficient Verification of Data Authenticity"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-07-27T16:37:04.791958Z","id":"CVE-2026-15612","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-07-27T16:37:08.498Z"}}]}}