{"id":"CVE-2026-9496","aliases":["GHSA-w4pp-8pjf-rmxw"],"url":"https://o3.security/vulnerability/CVE-2026-9496","summary":"pacote is vulnerable to Denial of Service (DoS) via the addGitSha function","details":"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.","published":"2026-05-26T05:00:07.813Z","modified":"2026-09-10T18:26:48.725753776Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"pacote","fixedVersion":"21.5.1"}],"fix":{"url":"https://github.com/npm/pacote/commit/ce804fb1647fe1699b2f87efd01ea9f4efed8508","label":"npm/pacote@ce804fb"},"references":[{"type":"WEB","url":"https://github.com/npm/pacote/blob/9d7459440826ab4cf962ef98d8f3fd0c4d464b5c/lib/util/add-git-sha.js%23L2C1-L13C2"},{"type":"WEB","url":"https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-16874025"},{"type":"WEB","url":"https://security.snyk.io/vuln/SNYK-JS-PACOTE-8225084"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/9xxx/CVE-2026-9496.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9496"},{"type":"FIX","url":"https://github.com/npm/pacote/commit/ce804fb1647fe1699b2f87efd01ea9f4efed8508"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-10T18:26:48.725753776Z"}}