CVE-2026-103043

Published: Set 30, 2026 Last Modified: Set 30, 2026
ExploitDB:
Other exploit source:
Google Dorks:
HIGH 8,7
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH 7,5
Attack Vector: network
Attack Complexity: low
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

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.

1333

Inefficient Regular Expression Complexity

Draft
Common Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Resource Consumption (Cpu)
Applicable Platforms
All platforms may be affected
View CWE Details
https://gist.github.com/mmadersbacher/46050b4224eb979431986cdef1dd2ad3
https://github.com/alexcorvi/anchorme.js
https://github.com/alexcorvi/anchorme.js/blob/f3ae9850baa344f27b46bb149e9b89183…
https://www.npmjs.com/package/anchorme
https://www.vulncheck.com/advisories/anchorme-through-3.0.8-regular-expression-…