Vulnerability in Libexpat Project

CVE-2026-41080

libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.

EPSS: 0.000 (2.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Libexpat Project — versions 0

Weakness classification (CWE)

CWE-331 — Insufficient Entropy

References

Frequently asked questions

What is CVE-2026-41080?: CVE-2026-41080 is a low-severity vulnerability in Libexpat Project, classified under Insufficient Entropy. CVSS score: 2.9/10. Published 2026-04-16.
How severe is CVE-2026-41080?: Low severity. CVSS v3 base score is 2.9 out of 10.