Vulnerability-Lookup

CVE-2026-41883 (GCVE-0-2026-41883)

Vulnerability from cvelistv5 – Published: 2026-05-08 15:36 – Updated: 2026-05-08 19:40

Title

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

Summary

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.

Severity

8.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-08 19:39 UTC

CWE

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

Assigner

GitHub_M mitre root Scorecard

References

1 reference

URL	Tags
https://github.com/omnifaces/omnifaces/security/a…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
omnifaces	omnifaces	Affected: < 1.14.2 Affected: >= 2.0-RC1, < 2.7.32 Affected: >= 3.0-RC1, < 3.14.16 Affected: >= 4.0-M1, < 4.7.5 Affected: >= 5.0-M1, < 5.2.3

Show details on NVD website

JSON

To clipboard

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EUVD-2026-309232

European Vulnerability Database identifier assigned by ENISA

Reserved

2026-10-02 07:08

Assigner

ENISA

Alias of

a CVE record, shown under related vulnerabilities. This identifier carries no description, severity or references of its own: they belong to that CVE.

JSON

To clipboard

{
  "assigner": "ENISA",
  "date_reserved": "2026-10-02T07:08:57.439276+00:00",
  "id": "EUVD-2026-309232"
}

FKIE_CVE-2026-41883

Vulnerability from fkie_nvd - Published: 2026-05-08 16:16 - Updated: 2026-06-17 10:47

Severity

8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

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

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "omnifaces",
          "vendor": "omnifaces",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 1.14.2"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.0-RC1, \u003c 2.7.32"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.0-RC1, \u003c 3.14.16"
            },
            {
              "status": "affected",
              "version": "\u003e= 4.0-M1, \u003c 4.7.5"
            },
            {
              "status": "affected",
              "version": "\u003e= 5.0-M1, \u003c 5.2.3"
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    }
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GHSA-VP6R-9M58-5XV8

Vulnerability from github – Published: 2026-04-16 21:31 – Updated: 2026-05-13 13:29

Summary

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

Details

Impact

Server-side EL injection leading to Remote Code Execution (RCE). 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.

The severity depends on the EL implementation and the objects available in the EL context. In the worst case this leads to Remote Code Execution (RCE). At minimum it allows information disclosure and denial of service.

Applications using CDNResourceHandler without wildcard mappings (i.e. only explicit resource-to-URL mappings) are not affected.

Patches

Fixed in versions 5.2.3, 4.7.5, 3.14.16, 2.7.32, and 1.14.2. Users should upgrade to the appropriate version for their branch.

Workarounds

Replace wildcard CDN mappings with explicit resource-to-URL mappings. For example, replace:

libraryName:*=https://cdn.example.com/*

with individual entries:

libraryName:resource1.js=https://cdn.example.com/resource1.js,
libraryName:resource2.js=https://cdn.example.com/resource2.js

Severity

8.1 (High)


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

Show details on source website

JSON

To clipboard

{
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    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.omnifaces:omnifaces"
      },
      "ranges": [
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    },
    {
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      },
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        "name": "org.omnifaces:omnifaces"
      },
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      ]
    }
  ],
  "aliases": [
    "CVE-2026-41883"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-917"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2026-04-16T21:31:14Z",
    "nvd_published_at": "2026-05-08T16:16:11Z",
    "severity": "HIGH"
  },
  "details": "### Impact\n\nServer-side EL injection leading to Remote Code Execution (RCE). Affects applications that use `CDNResourceHandler` with a wildcard CDN mapping (e.g. `libraryName:*=https://cdn.example.com/*`). An attacker can craft a resource request\nURL containing an EL expression in the resource name, which is evaluated server-side.\n\nThe severity depends on the EL implementation and the objects available in the EL context. In the worst case this leads to Remote Code Execution (RCE). At minimum it allows information disclosure and denial of service.\n\nApplications using `CDNResourceHandler` without wildcard mappings (i.e. only explicit resource-to-URL mappings) are **not** affected.\n\n### Patches\n\nFixed in versions 5.2.3, 4.7.5, 3.14.16, 2.7.32, and 1.14.2. Users should upgrade to the appropriate version for their branch.\n\n### Workarounds\n\nReplace wildcard CDN mappings with explicit resource-to-URL mappings. For example, replace:\n```\nlibraryName:*=https://cdn.example.com/*\n```\nwith individual entries:\n```\nlibraryName:resource1.js=https://cdn.example.com/resource1.js,\nlibraryName:resource2.js=https://cdn.example.com/resource2.js\n```",
  "id": "GHSA-vp6r-9m58-5xv8",
  "modified": "2026-05-13T13:29:55Z",
  "published": "2026-04-16T21:31:14Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/omnifaces/omnifaces/security/advisories/GHSA-vp6r-9m58-5xv8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41883"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/omnifaces/omnifaces"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "OmniFaces: EL injection via crafted resource name in wildcard CDN mapping"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CVE-2026-41883 (GCVE-0-2026-41883)

EUVD-2026-309232

FKIE_CVE-2026-41883

GHSA-VP6R-9M58-5XV8

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Related by attack behaviour