Code Execution Vulnerability in Mantis Bug Tracker
CVE-2026-44657

7.5HIGH

Key Information:

Vendor

Mantisbt

Status
Vendor
CVE Published:
28 May 2026

What is CVE-2026-44657?

The Mantis Bug Tracker is vulnerable to a code execution flaw that affects versions prior to 2.28.2. This vulnerability arises when the show_inline=1 parameter is combined with a valid file_show_inline_token CSRF token within the file_download.php file. By manipulating this feature and uploading a specially crafted XHTML attachment that references a JavaScript file, an attacker can execute arbitrary code on the server. It is recommended that users upgrade to version 2.28.2 or later to mitigate this security risk.

Affected Version(s)

mantisbt < 2.28.2

References

CVSS V4

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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