CVE-2026-41883

OmniFaces: EL injection via crafted resource name in wildcard CDN mapping

State: Published
Severity: 8.1 High
Published: May 8, 2026
Updated: May 8, 2026
Reserved: Apr 22, 2026

Description

OmniFaces is a utility library for Faces. Prior to versions 1.14.2, 2.7.32, 3.14.16, 4.7.5, and 5.2.3, there is a server-side EL injection leading to Remote Code Execution (RCE). This affects applications that use CDNResourceHandler with a wildcard CDN mapping (e.g. libraryName:*=https://cdn.example.com/*). An attacker can craft a resource request URL containing an EL expression in the resource name, which is evaluated server-side. This issue has been patched in versions 1.14.2, 2.7.32, 3.14.16, 4.7.5, and 5.2.3.

Scores

CVSS	Score	Vector	Source
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-917 Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')

Affected Products

Product	Versions
omnifacesomnifaces	< 1.14.2Affected >= 2.0-RC1, < 2.7.32Affected >= 3.0-RC1, < 3.14.16Affected >= 4.0-M1, < 4.7.5Affected >= 5.0-M1, < 5.2.3Affected

References

https://github.com/omnifaces/omnifaces/security/advisories/GHSA-vp6r-9m58-5xv8

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