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CVE-2026-9496

CVE-2026-9496

CVSS 8.7 HIGHEPSS 0.3%CWE-1333CWE-400
Versions of the package pacote from 11.2.7 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.
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
Affected products
n/a · org.webjars.npm:pacoten/a · pacote

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References
https://github.com/npm/pacote/blob/9d7459440826ab4cf962ef98d8f3fd0c4d464b5c/lib/util/add-git-sha.js%23L2C1-L13C2https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-16874025https://security.snyk.io/vuln/SNYK-JS-PACOTE-8225084