anchorme through 3.0.8 Regular Expression Denial of Service
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.
CVE-2026-103043
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-103043
anchorme
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/alexcorvi/anchorme.js",
"vendor": "alexcorvi",
"product": "anchorme",
"versions": [
{
"status": "affected",
"version": "0",
"versionType": "semver",
"lessThanOrEqual": "3.0.8"
}
],
"packageURL": "pkg:npm/anchorme",
"packageName": "anchorme",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-103043
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #42053 · Revision 1
- Added to Heist Feed
- Publisher date