{"id":"CVE-2026-41080","title":"libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.","summary":"libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.","severity":"low","cvss":2.9,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L","cvssSource":"cna","cwe":["CWE-331"],"vendor":"libexpat project","product":"libexpat","affected":["libexpat < 2.8.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-04-18T02:32:34.525022Z"},"published":"2026-04-16","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:18:28.535Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-41080","references":[{"url":"https://github.com/libexpat/libexpat/pull/1183"},{"url":"https://github.com/libexpat/libexpat/issues/47"},{"url":"https://www.openwall.com/lists/oss-security/2026/04/26/1"},{"url":"https://blog.hartwork.org/posts/expat-2-8-0-released/"}],"tags":["cve.org"],"epss":0.00398,"epssPercentile":0.32342,"ingestedAt":"2026-10-15T05:52:46.019Z","slug":"CVE-2026-41080","body":"## Overview\n\nlibexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.\n\n## Affected\n\n- `libexpat < 2.8.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":16,"depthScoreParts":{"impact":16,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}