Skip to main content
VulnerabilityPublished Updated

CVE-2026-103043: alexcorvi anchorme · ReDoS

Affects alexcorvi anchormeSource CVE Database V5

0
Compare

Not known to be exploited · CVSS 8.7 High.

Data as of 13 Nov 2026, 23:53 UTC

CVSS 4.0 base score
8.7High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 48% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
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

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
alexcorvianchormeAffected
  • <=3.0.8
Fixed in–
npmanchormepkg:npm/anchormeOther threatsAffected
  • <=3.0.8
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Users should monitor the vendor advisory for updates and consider avoiding or limiting use of the IPv6 host extraction feature in anchorme until a fix is released.

Description

anchorme versions up to 3.0.8 contain a regular expression denial of service (ReDoS) vulnerability in the IPv6 host extraction regex. This vulnerability arises from catastrophic backtracking in the regex engine when processing specially crafted input strings, which can block the Node.js event loop and cause denial of service.

References

Community reviews

Loading reviews…