CVE-2026-2896: Funadmin/funadmin Funadmin Has Incorrect Privilege Assignment Vulnerability

MODERATE
Advisory Identifier: GHSA-5m2g-4cf6-c3rg
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CVSS 7.3
CWE-266
Published
Advisory Summary

CVE-2026-2896 is a MODERATE (CVSS 7.3) funadmin has incorrect privilege assignment vulnerability (CWE-266: Incorrect Privilege Assignment) affecting Funadmin/funadmin libraries in the Packagist ecosystem. The issue involves funadmin has incorrect privilege assignment in its configuration handler. Remediation is available in the latest vendor maintenance releases.

CVE-2026-2896 at a Glance

CVE Identifier CVE-2026-2896
GHSA Identifier GHSA-5m2g-4cf6-c3rg
Severity MODERATE
CVSS v3.1 Base Score 7.3
CWE Classification CWE-266: Incorrect Privilege Assignment
Affected Product Funadmin/funadmin
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability Low (A:L)

How to Fix CVE-2026-2896

To remediate this vulnerability, upgrade all affected Funadmin/funadmin dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

funadmin/funadmin fixed: Latest secure release 
Upgrade funadmin/funadmin to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for funadmin/funadmin

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-2896, inspect your project dependencies for Funadmin/funadmin:

inspect dependencies for funadmin/funadmin

Analyze the terminal output to locate any version of Funadmin/funadmin in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-266: Incorrect Privilege Assignment, where a product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. In Funadmin/funadmin, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

A weakness has been identified in funadmin up to 7.1.0-rc4. This affects the function setConfig of the file app/backend/controller/Ajax.php of the component Configuration Handler. Executing a manipulation can lead to improper authorization. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

CVE-2026-2896 Affected Funadmin/funadmin Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
funadmin/funadmin
 Packagist
≤ 7.1.0-rc4

References

NVD — CVE-2026-2896 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-2896
Funadmin/funadmin Source Repository REPOSITORY
https://github.com/I4m6da/CVE/issues/3
Funadmin/funadmin Source Repository REPOSITORY
https://github.com/funadmin/funadmin
vuldb.com/ WEB
https://vuldb.com/?ctiid.347207
vuldb.com/ WEB
https://vuldb.com/?id.347207
vuldb.com/ WEB
https://vuldb.com/?submit.753972

Frequently Asked Questions

What is CVE-2026-2896?
CVE-2026-2896 is a security vulnerability in Funadmin/funadmin involving funadmin has Incorrect Privilege Assignment in its Configuration Handler under CWE-266: Incorrect Privilege Assignment.
Which Funadmin/funadmin versions are affected?
Affected versions include releases prior to current release patches across affected packages: funadmin/funadmin.
What version fixes CVE-2026-2896?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is funadmin/funadmin affected?
Yes, funadmin/funadmin is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2026-2896?
CVE-2026-2896 has a CVSS v3.1 base score of 7.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
What CWE is associated with CVE-2026-2896?
CVE-2026-2896 is classified under CWE-266: Incorrect Privilege Assignment (A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor.).
How can I check Packagist dependencies for CVE-2026-2896?
Run the dependency tree command: 'inspect dependencies for funadmin/funadmin'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-5m2g-4cf6-c3rg",
  "modified" : "2026-02-26T15:31:55Z",
  "published" : "2026-02-22T00:31:01Z",
  "aliases" : [ "CVE-2026-2896" ],
  "summary" : "funadmin has Incorrect Privilege Assignment in its Configuration Handler",
  "details" : "A weakness has been identified in funadmin up to 7.1.0-rc4. This affects the function setConfig of the file app/backend/controller/Ajax.php of the component Configuration Handler. Executing a manipulation can lead to improper authorization. The attack can be executed remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "funadmin/funadmin"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "7.1.0-rc4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-2896"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/I4m6da/CVE/issues/3"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/funadmin/funadmin"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?ctiid.347207"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?id.347207"
  }, {
    "type" : "WEB",
    "url" : "https://vuldb.com/?submit.753972"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-266" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-02-26T15:31:55Z",
    "nvd_published_at" : "2026-02-22T00:15:59Z"
  }
}