CVE-2026-103043

HIGHCVSS 7.5

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 · last modified 2026-09-29

Full record at NVD ↗

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Ncerio by BeyondNets · data from NVD, CISA KEV, EPSS.