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MEDIUM · 5.6

CVE-2026-86144

In xinclude in libxml2 before 2.15.4, xmlXIncludeProcess and xmlXIncludeProcessTree do not propagate parseFlags. This has security relevance for, for example, the XML_PARSE_NONET flag, if (without it)...

Vulnerability Description

In xinclude in libxml2 before 2.15.4, xmlXIncludeProcess and xmlXIncludeProcessTree do not propagate parseFlags. This has security relevance for, for example, the XML_PARSE_NONET flag, if (without it) a custom resource loader accesses the internet and triggers XML external entity injection, SSRF, or a denial of service (e.g., for an attacker-controlled internet resource that is intentionally slow).

CVSS Score

5.6

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
LOW

Affected Products

VendorProductVersions
XmlsoftLibxml2< 2.15.4

Related Weaknesses (CWE)

CWE-669

References

FAQ

What is CVE-2026-86144?

CVE-2026-86144 is a vulnerability with a CVSS score of 5.6 (MEDIUM). In xinclude in libxml2 before 2.15.4, xmlXIncludeProcess and xmlXIncludeProcessTree do not propagate parseFlags. This has security relevance for, for example, the XML_PARSE_NONET flag, if (without it)...

How severe is CVE-2026-86144?

CVE-2026-86144 has been rated MEDIUM with a CVSS base score of 5.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-86144?

Check the references section above for vendor advisories and patch information. Affected products include: Xmlsoft Libxml2.