{"id":"CVE-2026-102278","sourceIdentifier":"security-advisories@github.com","published":"2026-09-28T21:17:16.517","lastModified":"2026-10-01T15:17:25.593","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"The brace-expansion library generates arbitrary strings containing a common prefix and suffix. Prior to 1.1.20, 2.1.6, 3.0.8, and 5.0.11, deeply nested brace groups cause expand_() to recurse once per nesting level at comma-member and single-set expansion sites, exhausting the native stack before output limits can apply and potentially terminating the Node.js process. expand_ performs uncontrolled recursion for nested brace alternatives and single-part sets. deeply nested brace groups supplied as an untrusted pattern. expand_ is affected. expand is affected. Comma members is affected. Single set is affected. native stack exhaustion during nested sub-expansion. process-terminating denial of service. This issue is fixed in versions 1.1.20, 2.1.6, 3.0.8, and 5.0.11."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"juliangruber","product":"brace-expansion","versions":[{"version":">= 4.0.0, < 5.0.11","status":"affected"},{"version":">= 3.0.0, < 3.0.8","status":"affected"},{"version":">= 2.0.0, < 2.1.6","status":"affected"},{"version":"< 1.1.20","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-01T15:02:35.975978Z","id":"CVE-2026-102278","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-400"},{"lang":"en","value":"CWE-674"}]}],"references":[{"url":"https://github.com/juliangruber/brace-expansion/commit/1efee7c397c191da6287a78ec19512476a966a7b","source":"security-advisories@github.com"},{"url":"https://github.com/juliangruber/brace-expansion/commit/935d78f32f335b2ff76578e5c5e877d31ae9888c","source":"security-advisories@github.com"},{"url":"https://github.com/juliangruber/brace-expansion/commit/de84f144e9816f30e25fc8179e2e1249ab6df0db","source":"security-advisories@github.com"},{"url":"https://github.com/juliangruber/brace-expansion/security/advisories/GHSA-qhr7-859c-m2p7","source":"security-advisories@github.com"}]}