How severe is CVE-2026-41080?

CVE-2026-41080 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-41080 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-41080?

CVE-2026-41080 affects Libexpat Project Libexpat. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-41080?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-41080 have an EU (EUVD) identifier?

Yes. CVE-2026-41080 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23276.

When was CVE-2026-41080 published?

CVE-2026-41080 was published on 2026-04-16 and last updated on 2026-06-17.

CVE-2026-41080

CVE-2026-41080 is a low-severity vulnerability in Libexpat Project Libexpat with a CVSS 3.x base score of 2.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-331.

Key facts

Severity: Low (CVSS 3.x base score 2.9)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-23276
Weakness: CWE-331
Affected product: Libexpat Project Libexpat
Published: 2026-04-16
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2026-41080?: libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.
How severe is CVE-2026-41080?: CVE-2026-41080 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-41080 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-41080?: CVE-2026-41080 affects Libexpat Project Libexpat. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-41080?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-41080 have an EU (EUVD) identifier?: Yes. CVE-2026-41080 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-23276.
When was CVE-2026-41080 published?: CVE-2026-41080 was published on 2026-04-16 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:libexpat_project:libexpat:*:*:*:*:*:*:*:*

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