CVE-2026-103043
7.5 HIGHpublic exploit availablePublished 2026-09-29 · Updated 2026-09-29
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-1333
Public exploit & PoC references
All references
- https://gist.github.com/mmadersbacher/46050b4224eb979431986cdef1dd2ad3
- https://github.com/alexcorvi/anchorme.js
- https://github.com/alexcorvi/anchorme.js/blob/f3ae9850baa344f27b46bb149e9b891831d273b1/src/index.ts#L109
- https://www.npmjs.com/package/anchorme
- https://www.vulncheck.com/advisories/anchorme-through-3.0.8-regular-expression-denial-of-service
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
Related CVEs
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- MEDIUMCVE-2026-102473
- MEDIUMCVE-2026-54461PoC
- MEDIUMCVE-2026-58270PoC
- HIGHCVE-2026-63460PoC
- UNSCOREDCVE-2026-66074PoC
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