{"api_version":"1","generated_at":"2026-04-23T03:06:37+00:00","cve":"CVE-2026-32727","urls":{"html":"https://cve.report/CVE-2026-32727","api":"https://cve.report/api/cve/CVE-2026-32727.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-32727","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-32727"},"summary":{"title":"SciTokens: Authorization Bypass via Path Traversal in Scope Validation","description":"SciTokens is a reference library for generating and using SciTokens. Prior to version 1.9.7, the Enforcer is vulnerable to a path traversal attack where an attacker can use dot-dot (..) in the scope claim of a token to escape the intended directory restriction. This occurs because the library normalizes both the authorized path (from the token) and the requested path (from the application) before comparing them using startswith. This issue has been patched in version 1.9.7.","state":"PUBLISHED","assigner":"GitHub_M","published_at":"2026-03-31 03:15:57","updated_at":"2026-04-03 17:26:41"},"problem_types":["CWE-22","CWE-22 CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"6.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"}},{"version":"3.1","source":"security-advisories@github.com","type":"Secondary","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.1","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"references":[{"url":"https://github.com/scitokens/scitokens/security/advisories/GHSA-3x2w-63fp-3qvw","name":"https://github.com/scitokens/scitokens/security/advisories/GHSA-3x2w-63fp-3qvw","refsource":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/scitokens/scitokens/commit/2d1cc9e42bc944fe0bbc429b85d166e7156d53f9","name":"https://github.com/scitokens/scitokens/commit/2d1cc9e42bc944fe0bbc429b85d166e7156d53f9","refsource":"security-advisories@github.com","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/scitokens/scitokens/pull/230","name":"https://github.com/scitokens/scitokens/pull/230","refsource":"security-advisories@github.com","tags":["Issue Tracking"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://github.com/scitokens/scitokens/releases/tag/v1.9.7","name":"https://github.com/scitokens/scitokens/releases/tag/v1.9.7","refsource":"security-advisories@github.com","tags":["Release Notes"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-32727","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-32727","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"scitokens","product":"scitokens","version":"affected < 1.9.7","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2026","cve_id":"32727","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"scitokens","cpe5":"scitokens_library","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"32727","cve":"CVE-2026-32727","epss":"0.000490000","percentile":"0.149850000","score_date":"2026-04-07","updated_at":"2026-04-08 00:03:39"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-32727","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","timestamp":"2026-04-02T14:47:31.443983Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-04-02T14:48:02.376Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"scitokens","vendor":"scitokens","versions":[{"status":"affected","version":"< 1.9.7"}]}],"descriptions":[{"lang":"en","value":"SciTokens is a reference library for generating and using SciTokens. Prior to version 1.9.7, the Enforcer is vulnerable to a path traversal attack where an attacker can use dot-dot (..) in the scope claim of a token to escape the intended directory restriction. This occurs because the library normalizes both the authorized path (from the token) and the requested path (from the application) before comparing them using startswith. This issue has been patched in version 1.9.7."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-03-31T01:31:57.392Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"name":"https://github.com/scitokens/scitokens/security/advisories/GHSA-3x2w-63fp-3qvw","tags":["x_refsource_CONFIRM"],"url":"https://github.com/scitokens/scitokens/security/advisories/GHSA-3x2w-63fp-3qvw"},{"name":"https://github.com/scitokens/scitokens/pull/230","tags":["x_refsource_MISC"],"url":"https://github.com/scitokens/scitokens/pull/230"},{"name":"https://github.com/scitokens/scitokens/commit/2d1cc9e42bc944fe0bbc429b85d166e7156d53f9","tags":["x_refsource_MISC"],"url":"https://github.com/scitokens/scitokens/commit/2d1cc9e42bc944fe0bbc429b85d166e7156d53f9"},{"name":"https://github.com/scitokens/scitokens/releases/tag/v1.9.7","tags":["x_refsource_MISC"],"url":"https://github.com/scitokens/scitokens/releases/tag/v1.9.7"}],"source":{"advisory":"GHSA-3x2w-63fp-3qvw","discovery":"UNKNOWN"},"title":"SciTokens: Authorization Bypass via Path Traversal in Scope Validation"}},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2026-32727","datePublished":"2026-03-31T01:31:57.392Z","dateReserved":"2026-03-13T15:02:00.626Z","dateUpdated":"2026-04-02T14:48:02.376Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-03-31 03:15:57","lastModifiedDate":"2026-04-03 17:26:41","problem_types":["CWE-22","CWE-22 CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":5.2},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","baseScore":6.5,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":3.6}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:scitokens:scitokens_library:*:*:*:*:*:*:*:*","versionEndExcluding":"1.9.7","matchCriteriaId":"8D402B23-94E7-4866-B628-DFCD1E58109E"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"32727","Ordinal":"1","Title":"SciTokens: Authorization Bypass via Path Traversal in Scope Vali","CVE":"CVE-2026-32727","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"32727","Ordinal":"1","NoteData":"SciTokens is a reference library for generating and using SciTokens. Prior to version 1.9.7, the Enforcer is vulnerable to a path traversal attack where an attacker can use dot-dot (..) in the scope claim of a token to escape the intended directory restriction. This occurs because the library normalizes both the authorized path (from the token) and the requested path (from the application) before comparing them using startswith. This issue has been patched in version 1.9.7.","Type":"Description","Title":"SciTokens: Authorization Bypass via Path Traversal in Scope Vali"}]}}}