/Vulnerability Library

MantisBT < 2.28.1 - SOAP API Authentication Bypass

CVE-2026-30849
Verified

Description

Mantis Bug Tracker < 2.28.1 on MySQL databases contains an authentication bypass caused by improper type checking on the password parameter in the SOAP API, letting attackers login without the actual password using a crafted SOAP envelope, exploit requires knowing the victim's username.

Severity

Critical

CVSS Score

9.3

Exploit Probability

2%

Affected Product

mantisbt

Published Date

September 11, 2026

Template Author

str4k3r

CVE-2026-30849.yaml
9.3Score

CVSS Metrics

CVSS Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
CVE ID:
cve-2026-30849
CWE ID:
cwe-843

References

https://nvd.nist.gov/vuln/detail/CVE-2026-30849https://github.com/mantisbt/mantisbt/security/advisories/GHSA-phrq-pc6r-f6ghhttps://mantisbt.org/bugs/view.php?id=36902

Remediation Steps

Upgrade to version 2.28.1 or later; disabling the SOAP API reduces risk.