CVE-2026-41080: libexpat project vulnerability
libexpat project · libexpat
Fixed in 2.8.0 · Affected: libexpat project before 2.8.0 · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 35% of scored CVEs
DescriptionCVE.org
libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- libexpat project · libexpatbefore 2.8.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- libexpat project
- Published
- April 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-41080 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.
References
- NVD entrynvd.nist.gov
- CVE recordcve.org
- Weakness CWE-331cwe.mitre.org
- github.com/libexpat/libexpat/pull/1183github.com
- github.com/libexpat/libexpat/issues/47github.com
- openwall.com/lists/oss-security/2026/04/26/1openwall.com
- blog.hartwork.org/posts/expat-2-8-0-releasedblog.hartwork.org
- openwall.com/lists/oss-security/2026/04/26/1openwall.com
- cert-portal.siemens.com/productcert/html/ssa-082556.htmlcert-portal.siemens.com