Disclosure summary
anchorme through 3.0.8 contains a regular expression denial of service vulnerability in the IPv6 host extraction regex due to catastrophic backtracking. Attackers can supply specially crafted input strings with repeated patterns to cause exponential regex engine backtracking, blocking the Node.js event loop and denying service to other requests.
Source-reported weakness categories
CWE-1333
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2026-103043
Open original source · Updated Sep 30, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
Original records & references
- NIST NVD record
- CVE Program record
- gist.github.com
- github.com
- github.com
- www.npmjs.com
- www.vulncheck.com
- gist.github.com
PUBLISHED 2026-09-29T19:17:22-04:00
MODIFIED 2026-09-30T16:17:28-04:00
INGESTED 2026-10-06T11:43:05-04:00