{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9496","assignerOrgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","state":"PUBLISHED","assignerShortName":"snyk","dateReserved":"2026-05-25T09:30:49.118Z","datePublished":"2026-05-26T05:00:07.813Z","dateUpdated":"2026-07-07T15:25:27.535Z"},"containers":{"cna":{"metrics":[{"cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","exploitCodeMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P"},"cvssV4_0":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","exploitMaturity":"PROOF_OF_CONCEPT","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P"}}],"credits":[{"value":"Rongchen Li","lang":"en"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","description":"Denial of Service (DoS)","lang":"en"}]}],"providerMetadata":{"orgId":"bae035ff-b466-4ff4-94d0-fc9efd9e1730","shortName":"snyk","dateUpdated":"2026-07-07T15:25:27.535Z"},"descriptions":[{"value":"Versions of the package pacote from 11.2.7 and before 21.5.1 are vulnerable to Denial of Service (DoS) via the addGitSha function. An attacker can exploit this vulnerability by supplying a specially crafted spec.rawSpec value that triggers the function’s regex replacement and string-manipulation logic,  causing excessive CPU consumption and potentially stalling or crashing the process.","lang":"en"}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-JS-PACOTE-8225084"},{"url":"https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-16874025"},{"url":"https://github.com/npm/pacote/blob/9d7459440826ab4cf962ef98d8f3fd0c4d464b5c/lib/util/add-git-sha.js%23L2C1-L13C2"},{"url":"https://github.com/npm/pacote/commit/ce804fb1647fe1699b2f87efd01ea9f4efed8508"}],"affected":[{"product":"pacote","versions":[{"version":"11.2.7","lessThan":"21.5.1","status":"affected","versionType":"semver"}],"vendor":"n/a"},{"product":"org.webjars.npm:pacote","versions":[{"version":"11.2.7","lessThan":"*","status":"affected","versionType":"semver"}],"vendor":"n/a"}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-400","lang":"en","description":"CWE-400 Uncontrolled Resource Consumption"}]}],"references":[{"url":"https://security.snyk.io/vuln/SNYK-JS-PACOTE-8225084","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-26T12:34:38.845728Z","id":"CVE-2026-9496","options":[{"Exploitation":"poc"},{"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":"2026-05-26T12:41:58.078Z"}}]}}