Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| mantisbt | mantisbt | < 2.28.1 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
GitHub 1 repository
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Gumbraise/CVE-2026-30849-PoC ★ 0 · Jun 6, 2026
Proof-of-Concept checker/exploit for MantisBT SOAP auth bypass (CVE-2026-30849 / GHSA-phrq-pc6r-f6gh)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Automated scanner template
A ready-made Nuclei template detects this vulnerability automatically. Vulnerabilities with public scanner templates are typically probed across the internet soon after the template appears — exposed systems should be patched first.
- MantisBT < 2.28.1 - SOAP API Authentication Bypass http/cves/2026/CVE-2026-30849.yaml
Source: projectdiscovery/nuclei-templates (MIT) — updated daily. Only links are listed.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | mantisbt/mantisbt | < 2.28.1 | 2.28.1 | GHSA-phrq-pc6r-f6gh |