What is the CVSS score of CVE-2025-55155?

CVE-2025-55155 has a CVSS 3.1 base score of 5.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of Mantisbt are affected by CVE-2025-55155?

CVE-2025-55155 presents moderate security risk rated CVSS 5.4. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available.. A patch is available.

Is there a public PoC exploit available for CVE-2025-55155?

Yes, a public proof-of-concept exploit is available for CVE-2025-55155. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-55155?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Mantisbt CVE-2025-55155

MEDIUM

Insertion of Sensitive Information Into Sent Data (CWE-201)

2025-11-04 security-advisories@github.com

Information Disclosure Mantisbt

5.4

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

5.4 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:20 vuln.today

Patch released

Mar 28, 2026 - 19:20 nvd

Patch available

PoC Detected

Nov 10, 2025 - 18:02 vuln.today

Public exploit code

CVE Published

Nov 04, 2025 - 21:15 nvd

MEDIUM 5.4

DescriptionGitHub Advisory

Mantis Bug Tracker (MantisBT) is an open source issue tracker. In versions 2.27.1 and below, when a user edits their profile to change their e-mail address, the system saves it without validating that it actually belongs to the user. This could result in storing an invalid email address, preventing the user from receiving system notifications. Notifications sent to another person's email address could lead to information disclosure. This issue is fixed in version 2.27.2.

AnalysisAI

Mantis Bug Tracker (MantisBT) is an open source issue tracker. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified under CWE-201. Mantis Bug Tracker (MantisBT) is an open source issue tracker. In versions 2.27.1 and below, when a user edits their profile to change their e-mail address, the system saves it without validating that it actually belongs to the user. This could result in storing an invalid email address, preventing the user from receiving system notifications. Notifications sent to another person's email address could lead to information disclosure. This issue is fixed in version 2.27.2. Affected products include: Mantisbt. Version information: version 2.27.2..

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.