Insertion of Sensitive Information Into Sent Data Affecting mantisbt/mantisbt package, versions >=2.26.1, <2.28.2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PHP-MANTISBTMANTISBT-16642122
- published12 May 2026
- disclosed11 May 2026
- creditshukla304
Introduced: 11 May 2026
CVE-2026-34579 (opens in a new tab)How to fix?
Upgrade mantisbt/mantisbt to version 2.28.2 or higher.
Overview
mantisbt/mantisbt is a mantis bug tracker.
Affected versions of this package are vulnerable to Insertion of Sensitive Information Into Sent Data via the bug_monitor_add.php process. An attacker can gain unauthorized access to sensitive metadata and content of private issues by submitting a crafted POST request, resulting in the receipt of email notifications about updates to issues they should not have access to.