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.
Published: 2026-09-29
Score: 8.7 High
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories

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History

Tue, 29 Sep 2026 23:00:00 +0000

Type Values Removed Values Added
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.
Title anchorme through 3.0.8 Regular Expression Denial of Service
First Time appeared Anchorme Project
Anchorme Project anchorme
Weaknesses CWE-1333
CPEs cpe:2.3:a:anchorme_project:anchorme:*:*:*:*:*:*:*:*
Vendors & Products Anchorme Project
Anchorme Project anchorme
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 8.7, 'vector': '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'}

Subscriptions

Anchorme Project Anchorme
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-09-29T22:51:02.576Z

Reserved: 2026-09-29T22:17:06.983Z

Link: CVE-2026-103043

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-29T23:17:22.023

Modified: 2026-09-29T23:17:22.023

Link: CVE-2026-103043

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-1333

    Inefficient Regular Expression Complexity