CVE Tools
Sign in

CVE-2026-41080

Published: Apr 16, 2026Updated: Jun 12, 2026 Sources: CVE List NVDCWE-331
NVD MITRE
2.9CVSSLOW
EPSS Score
0.4%
Top 70.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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

CVSS Vector Breakdown

AV:LAC:HPR:NUI:NS:UC:NI:NA:L
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
Open in CVSS calculator →

Weaknesses

CWE-331

Affected Products

libexpatlibexpat project
LibraryLibrary
OSS Libraries / generic-library
libexpat projectoss-projectOSS Librariesaka expat, libexpat

Exploitability

Official Patch Available

References

https://github.com/libexpat/libexpat/pull/1183
github.com
https://github.com/libexpat/libexpat/issues/47
github.com
https://www.openwall.com/lists/oss-security/2026/04/26/1
openwall.com
and 2 more references View all →

Timeline

Published
Apr 16, 2026
Last Updated
Jun 12, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2026-41080 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows