{"id":"CVE-2026-57997","aliases":[],"cve":{"records":[{"id":"CVE-2026-57997","source":"VulnCheck","state":"PUBLISHED","reasons":[],"replacements":[],"disputed":false,"unsupportedWhenAssigned":false,"reserved":"2026-06-26T17:58:05.796Z","published":"2026-06-29T21:16:35.174Z","modified":"2026-11-08T14:06:43.253Z"}],"publishers":[{"name":"VulnCheck","role":"CNA","organizationId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","modified":"2026-11-08T14:06:43.253Z"},{"name":"CISA-ADP","role":"ADP","organizationId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","modified":"2026-07-01T14:25:16.553Z"}],"references":[{"url":"https://github.com/strapi/strapi/issues/26587","tags":["issue-tracking"],"source":"VulnCheck"},{"url":"https://github.com/strapi/strapi/pull/26752","tags":["issue-tracking","patch"],"source":"VulnCheck"},{"url":"https://github.com/strapi/strapi","tags":["product"],"source":"VulnCheck"},{"url":"https://www.vulncheck.com/advisories/strapi-users-permissions-jwt-algorithm-confusion-via-missing-algorithm-configuration","tags":["third-party-advisory"],"source":"VulnCheck"}],"weaknesses":[{"id":"CWE-327","description":"Use of a Broken or Risky Cryptographic Algorithm","source":"VulnCheck"}],"applicability":[{"source":"VulnCheck","statements":[{"nodes":[{"operator":"OR","cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:strapi:strapi:*:*:*:*:*:node.js:*:*","versionEndExcluding":"5.7.0"}]}]}]}],"prioritization":[{"source":"CISA-ADP","type":"SSVC","role":"CISA Coordinator","timestamp":"2026-07-01T14:24:53.643492Z","decisions":[{"name":"Exploitation","value":"none"},{"name":"Automatable","value":"no"},{"name":"Technical Impact","value":"partial"}]}]},"title":"Strapi users-permissions - JWT Algorithm Confusion via Missing Algorithm Configuration","titleSource":"VulnCheck","descriptionSource":"VulnCheck","description":"Strapi users-permissions plugin fails to restrict JWT algorithms when plugin::users-permissions.jwt.algorithm is not explicitly configured, allowing acceptance of HS384 and HS512 tokens alongside HS256. Attackers possessing the jwtSecret can mint tokens with non-standard HMAC variants to bypass algorithm restrictions and weaken authentication controls.","score":6.3,"severity":"medium","published":"2026-06-29T21:16:35.174Z","modified":"2026-11-08T14:06:43.253Z","withdrawn":false,"knownExploited":false,"affected":[],"products":[{"vendor":"strapi","name":"strapi","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"5.7.0","versionType":"semver"}],"defaultStatus":"unaffected","packageURL":"pkg:npm/strapi","packageIdentity":{"ecosystem":"npm","name":"strapi"},"cpes":[],"source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-57997"}],"remediation":[],"references":["https://github.com/strapi/strapi/issues/26587","https://github.com/strapi/strapi/pull/26752","https://github.com/strapi/strapi","https://www.vulncheck.com/advisories/strapi-users-permissions-jwt-algorithm-confusion-via-missing-algorithm-configuration"],"sources":[{"name":"CVE","id":"CVE-2026-57997","modified":"2026-11-08T14:06:43.253Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-57997"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","score":6.3},{"source":"VulnCheck","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","score":4.8}],"sourceAffected":[],"observedAt":"2026-11-08T14:27:02.473Z","kev":{"status":"not-listed","checkedAt":"2026-11-15T03:35:31.150Z"},"coverage":[{"source":"NVD","status":"available","checkedAt":"2026-11-08T21:25:36.990Z","attemptedAt":"2026-11-08T21:25:36.990Z"},{"source":"GHSA","status":"available","checkedAt":"2026-11-08T21:25:38.053Z","attemptedAt":"2026-11-08T21:25:38.053Z"},{"source":"EUVD","status":"refresh-failed","attemptedAt":"2026-11-08T21:25:34.474Z"},{"source":"EPSS","status":"available","checkedAt":"2026-11-08T21:25:36.750Z","attemptedAt":"2026-11-08T21:25:36.750Z"}],"evidence":[{"source":"FIRST EPSS","id":"CVE-2026-57997","url":"https://www.first.org/epss/","probability":0.00249,"percentile":0.1632,"date":"2026-11-08","checkedAt":"2026-11-08T21:25:36.750Z"},{"source":"NVD","id":"CVE-2026-57997","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57997","modified":"2026-10-25T21:10:00.770","score":6.3,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","checkedAt":"2026-11-08T21:25:36.990Z"},{"source":"NVD","id":"CVE-2026-57997","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57997","modified":"2026-10-25T21:10:00.770","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","checkedAt":"2026-11-08T21:25:36.990Z"},{"source":"NVD","id":"CVE-2026-57997","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57997","modified":"2026-10-25T21:10:00.770","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","checkedAt":"2026-11-08T21:25:36.990Z"},{"source":"GitHub Advisory Database","id":"GHSA-93c7-w42j-xh4p","url":"https://github.com/advisories/GHSA-93c7-w42j-xh4p","modified":"2026-06-30T00:31:35Z","score":4.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N","checkedAt":"2026-11-08T21:25:38.053Z"}],"aiSummary":{"text":"Strapi users-permissions plugin is affected when plugin::users-permissions.jwt.algorithm is not configured, allowing acceptance of non-standard HMAC variants. Attackers with jwtSecret access can mint tokens to bypass algorithm restrictions. This affects Strapi versions less than 5.7.0.","model":"@cf/meta/llama-3.3-70b-instruct-fp8-fast","generatedAt":"2026-11-08T15:26:03.997Z","sources":[{"name":"CVE","url":"https://www.cve.org/CVERecord?id=CVE-2026-57997"}]}}