Vulnerability Description
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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://github.com/npm/pacote/blob/9d7459440826ab4cf962ef98d8f3fd0c4d464b5c/lib/
- https://github.com/npm/pacote/commit/ce804fb1647fe1699b2f87efd01ea9f4efed8508
- https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-16874025
- https://security.snyk.io/vuln/SNYK-JS-PACOTE-8225084
- https://security.snyk.io/vuln/SNYK-JS-PACOTE-8225084
FAQ
What is CVE-2026-9496?
CVE-2026-9496 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 c...
How severe is CVE-2026-9496?
CVE-2026-9496 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-9496?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.