CVE-2026-30849
criticalpriority · attend · 50EPSS 0.024 · 84 %ileexploit · PoCEUUSEPSS · scored 2026-10-22
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions prior to 2.28.1 running on MySQL family databases are affected by an authentication bypass vulnerability in the SOAP API, as a result of an improper type checking on the password parameter. Other database backends are not affected, as they do not perform implicit type conversion from string to integer. Using a crafted SOAP envelope, an attacker knowing the victim's username is able to login to the SOAP API with their account without knowledge of the actual password, and execute any API function they have access to. Version 2.28.1 contains a patch. Disabling the SOAP API significantly reduces the risk, but still allows the attacker to retrieve user account information including email address and real name.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.9–9.8
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
exploits (1)
Public proof-of-concept and weaponised exploit code.
affected products (3)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-phrq-pc6r-f6ghMantisBT is vulnerable to authentication bypass through the SOAP API on MySQL2026-03-23ghsa · osvUS
Mantis Bug Tracker instances running on MySQL and compatible databases are affected by an authentication bypass vulnerability in the SOAP API, as a result of improper type checking on the password parameter. Other database backends are not affected, as they do not perform implicit type conversion from string to integer. ### Impact Using a crafted SOAP envelope, an attacker knowing the victim's username is able to login to the SOAP API with their account without knowledge of the actual password, and execute any API function they have access to. ### Patches * b349e5c890eeda9bd82e7c7e14479853f8a30d9f ### Workarounds - [Disabling the SOAP API](https://mantisbt.org/docs/master/en-US/Admin_Guide/html-desktop/#admin.config.api.disable) significantly reduces the risk, but still allows the attacker to retrieve user account information including email address and real name. ### Resources - https://mantisbt.org/bugs/view.php?id=36902 ### Credits MantisBT thanks Alexander Philiotis of SynerComm for discovering and responsibly reporting the issue.
also known as (2)
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sources
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references (7)
External citations — patches, advisories, analysis.
- https://github.com/mantisbt/mantisbt/commit/b349e5c890eeda9bd82e7c7e14479853f8a30d9fcnnvd
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-phrq-pc6r-f6ghcnnvd
- https://mantisbt.org/download.phpPatchcnnvd
- https://github.com/mantisbt/mantisbt/commit/b349e5c890eeda9bd82e7c7e14479853f8a30d9fenisa_euvd
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-phrq-pc6r-f6ghenisa_euvd
- https://github.com/mantisbt/mantisbt/commit/b349e5c890eeda9bd82e7c7e14479853f8a30d9fPatchnvd
- https://github.com/mantisbt/mantisbt/security/advisories/GHSA-phrq-pc6r-f6ghMitigationPatchVendor Advisorynvd
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