CVE-2026-34970— MantisBT Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2026-34970
Vulnerability Information
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Vulnerability Title
MantisBT Bugnote Revision Page Leaks Private Issue Metadata After Issue Access Is Revoked
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior allow a bugnote author to access the note's Revisions page after losing access to the parent private issue. This issue has been fixed in version 2.28.2.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mantis Bug Tracker 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mantis Bug Tracker（MantisBT）是Mantis Bug Tracker开源的一个 bug 跟踪器。 Mantis Bug Tracker 2.28.1及之前版本存在信息泄露漏洞，该漏洞源于允许错误注释作者在失去对父私有问题的访问权限后访问注释的修订页面。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-34970
| # | POC Description | Source Link | Shenlong Link |
|---|
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Advisory · 2Patch · 1
Same Patch Batch · mantisbt · 2026-05-19 · 7 CVEs total
| CVE-2026-34754 | 4.3 MEDIUM | MantisBT allows unauthorized users to upload attachments to restricted issues via REST API |
| CVE-2026-33052 | MantisBT: Authorization Bypass in Global Profile Creation | |
| CVE-2026-34744 | MantisBT authorization bypass allows continued access to self-uploaded attachments on priv | |
| CVE-2026-34463 | MantisBT has Stored HTML Injection/XSS via Clone Issue Form | |
| CVE-2026-34579 | MantisBT has an authorization bypass via private issue monitoring | |
| CVE-2026-34390 | MantisBT: Privilege Escalation from Manager to Administrator |
IV. Related Vulnerabilities
Same product: mantisbt
- CVE-2026-39960
MantisBT is Vulnerable to Stored XSS through Custom Field Te - CVE-2026-34754
MantisBT allows unauthorized users to upload attachments to - CVE-2026-34744
MantisBT authorization bypass allows continued access to sel - CVE-2026-34579
MantisBT has an authorization bypass via private issue monit - CVE-2026-34463
MantisBT has Stored HTML Injection/XSS via Clone Issue Form
Same vendor: mantisbt
- CVE-2026-39960
MantisBT is Vulnerable to Stored XSS through Custom Field Te - CVE-2026-34754
MantisBT allows unauthorized users to upload attachments to - CVE-2026-34744
MantisBT authorization bypass allows continued access to sel - CVE-2026-34579
MantisBT has an authorization bypass via private issue monit - CVE-2026-34463
MantisBT has Stored HTML Injection/XSS via Clone Issue Form
Same weakness: CWE-200
- CVE-2026-3636
Sanitize team member data returned by API - CVE-2026-7636
Slider by Soliloquy <= 2.8.1 - Authenticated (Subscriber+) I - CVE-2026-44409
Information disclosure vulnerability in ZTE MU5250 - CVE-2026-6826
Concrete 9.5.0 and below has file usage disclosure via missi - CVE-2025-31985
HCL BigFix Service Management (SM) is affected by a security
V. Comments for CVE-2026-34970
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