CVE-2026-33052: Mantisbt/mantisbt MantisBT Has Authorization Bypass Vulnerability

MODERATE
Advisory Identifier: GHSA-68w5-w573-q2r8
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CWE-639
Published
Advisory Summary

CVE-2026-33052 is a MODERATE mantisbt has authorization bypass vulnerability (CWE-639: Authorization Bypass Through User-Controlled Key) affecting Mantisbt/mantisbt libraries in the Packagist ecosystem. The issue involves mantisbt has authorization bypass in global profile creation. Remediation is available by upgrading affected packages to version 2.28.2.

CVE-2026-33052 at a Glance

CVE Identifier CVE-2026-33052
GHSA Identifier GHSA-68w5-w573-q2r8
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-639: Authorization Bypass Through User-Controlled Key
Affected Product Mantisbt/mantisbt
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2026-33052

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

mantisbt/mantisbt fixed: 2.28.2 
Upgrade mantisbt/mantisbt to 2.28.2
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 mantisbt/mantisbt

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-33052, inspect your project dependencies for Mantisbt/mantisbt:

inspect dependencies for mantisbt/mantisbt

Analyze the terminal output to locate any version of Mantisbt/mantisbt in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.28.2), 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-639: Authorization Bypass Through User-Controlled Key, where the system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. In Mantisbt/mantisbt, 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

MantisBT allows a low-privileged authenticated user having *add_profile_threshold* to create a global profile despite not having *manage_global_profile_threshold*, by tampering with the user_id parameter in a valid profile creation request. ### Impact Authentication bypass ### Patches - 3f952e68fa864e0e60abc3e84adecf3cfa84c75e ### Workarounds None ### Credits Thanks to Vishal Shukla for discovering and responsibly reporting the issues.

CVE-2026-33052 Affected Mantisbt/mantisbt Versions

1 component(s)
Fixed Versions:
2.28.2
Product / Package Ecosystem Affected Versions Fixed Version
mantisbt/mantisbt
 Packagist
≥ 2.28.0
< 2.28.2
2.28.2

References

GitHub Advisory / Wiki ADVISORY
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-68w5-w573-q2r8
NVD — CVE-2026-33052 NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-33052
Security Fix Commit FIX COMMIT
https://github.com/mantisbt/mantisbt/commit/3f952e68fa864e0e60abc3e84adecf3cfa84c75e
Mantisbt/mantisbt Source Repository REPOSITORY
https://github.com/mantisbt/mantisbt
Mantisbt/mantisbt Release RELEASE
https://github.com/mantisbt/mantisbt/releases/tag/release-2.28.2
mantisbt.org/bugs/view.php WEB
https://mantisbt.org/bugs/view.php?id=36974

Frequently Asked Questions

What is CVE-2026-33052?
CVE-2026-33052 is a security vulnerability in Mantisbt/mantisbt involving MantisBT Has Authorization Bypass in Global Profile Creation under CWE-639: Authorization Bypass Through User-Controlled Key.
Which Mantisbt/mantisbt versions are affected?
Affected versions include releases prior to 2.28.2 across affected packages: mantisbt/mantisbt.
What version fixes CVE-2026-33052?
Upgrading to 2.28.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is mantisbt/mantisbt affected?
Yes, mantisbt/mantisbt is affected in releases prior to 2.28.2. Upgrade your dependency to 2.28.2 or later.
What CWE is associated with CVE-2026-33052?
CVE-2026-33052 is classified under CWE-639: Authorization Bypass Through User-Controlled Key (The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.).
How can I check Packagist dependencies for CVE-2026-33052?
Run the dependency tree command: 'inspect dependencies for mantisbt/mantisbt'. 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-68w5-w573-q2r8",
  "modified" : "2026-05-19T16:09:47Z",
  "published" : "2026-05-11T17:58:50Z",
  "aliases" : [ "CVE-2026-33052" ],
  "summary" : "MantisBT Has Authorization Bypass in Global Profile Creation",
  "details" : "MantisBT allows a low-privileged authenticated user having *add_profile_threshold* to create a global profile despite not having *manage_global_profile_threshold*, by tampering with the user_id parameter in a valid profile creation request.\n\n### Impact\nAuthentication bypass\n\n### Patches\n- 3f952e68fa864e0e60abc3e84adecf3cfa84c75e\n\n### Workarounds\nNone\n\n### Credits\nThanks to Vishal Shukla for discovering and responsibly reporting the issues.",
  "severity" : [ {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "mantisbt/mantisbt"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.28.0"
      }, {
        "fixed" : "2.28.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/mantisbt/mantisbt/security/advisories/GHSA-68w5-w573-q2r8"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-33052"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mantisbt/mantisbt/commit/3f952e68fa864e0e60abc3e84adecf3cfa84c75e"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mantisbt/mantisbt"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/mantisbt/mantisbt/releases/tag/release-2.28.2"
  }, {
    "type" : "WEB",
    "url" : "https://mantisbt.org/bugs/view.php?id=36974"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-639" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-05-11T17:58:50Z",
    "nvd_published_at" : "2026-05-19T02:16:15Z"
  }
}