{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45793","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-05-13T08:19:32.603Z","datePublished":"2026-07-15T16:22:19.418Z","dateUpdated":"2026-07-15T18:11:10.355Z"},"containers":{"cna":{"title":"Composer: Github Actions issued GITHUB_TOKEN disclosure in GitHub Actions logs","problemTypes":[{"descriptions":[{"cweId":"CWE-200","lang":"en","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/composer/composer/security/advisories/GHSA-f9f8-rm49-7jv2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/composer/composer/security/advisories/GHSA-f9f8-rm49-7jv2"},{"name":"https://github.com/composer/composer/pull/12853","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/pull/12853"},{"name":"https://github.com/composer/composer/pull/12855","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/pull/12855"},{"name":"https://github.com/composer/composer/commit/3f5e7f9fbfa541137d6d1d5643ec3b718e9d5039","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/commit/3f5e7f9fbfa541137d6d1d5643ec3b718e9d5039"},{"name":"https://github.com/composer/composer/commit/65e6390c49f1a11cd8b660d81822086db51fe2d1","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/commit/65e6390c49f1a11cd8b660d81822086db51fe2d1"},{"name":"https://github.com/composer/composer/commit/e66c8fdb7ff5409bd2f358c5f194038e49e93714","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/commit/e66c8fdb7ff5409bd2f358c5f194038e49e93714"},{"name":"https://github.com/composer/composer/releases/tag/1.10.28","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/releases/tag/1.10.28"},{"name":"https://github.com/composer/composer/releases/tag/2.2.28","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/releases/tag/2.2.28"},{"name":"https://github.com/composer/composer/releases/tag/2.9.8","tags":["x_refsource_MISC"],"url":"https://github.com/composer/composer/releases/tag/2.9.8"}],"affected":[{"vendor":"composer","product":"composer","versions":[{"version":">= 1.0, < 1.10.28","status":"affected"},{"version":">= 2.0.0, < 2.2.28","status":"affected"},{"version":">= 2.3.0, < 2.9.8","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-07-15T16:22:19.418Z"},"descriptions":[{"lang":"en","value":"Composer is a dependency Manager for the PHP language. Prior to 1.10.28, 2.2.28, and 2.9.8, Composer\\IO\\BaseIO::loadConfiguration() validates GitHub OAuth tokens with the regex ^[.A-Za-z0-9_]+$ and interpolates rejected tokens into an UnexpectedValueException; GitHub Actions GITHUB_TOKEN values using the ghs_<id>_<base64url-JWT> format can contain -, fail validation, and be disclosed to stderr or CI logs. This issue is fixed in versions 1.10.28, 2.2.28, and 2.9.8."}],"source":{"advisory":"GHSA-f9f8-rm49-7jv2","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-15T18:11:02.102503Z","id":"CVE-2026-45793","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":"2026-07-15T18:11:10.355Z"}}]}}