CVE-2026-24515

Name: CVE-2026-24515
Creator: NVD / NIST
Published: 2026-01-23T08:16:01.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.5/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2026-24515 is a low-severity vulnerability rated 2.5/10 on the CVSS scale. In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.

Metrics

CVSS 3.1

2.5/10

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

0.17%

6.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Libexpat Project	Libexpat	< 2.7.4

References

Timeline

Published: Jan 23, 2026
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2026-24515?

In libexpat before 2.7.4, XML_ExternalEntityParserCreate does not copy unknown encoding handler user data.

How severe is CVE-2026-24515?

CVE-2026-24515 has a CVSS score of 2.5/10 (LOW severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2026-24515?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-24515?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST