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5.4
MEDIUM CVSS 3.1
CVE-2025-27156
Tuleap HTML Email Injection Vulnerability
Description

Tuleap is an Open Source Suite to improve management of software developments and collaboration. The mass emailing features do not sanitize the content of the HTML emails. A malicious user could use this issue to facilitate a phishing attempt or to indirectly exploit issues in the recipients mail clients. This vulnerability is fixed in Tuleap Community Edition 16.4.99.1740567344 and Tuleap Enterprise Edition 16.4-6 and 16.3-11.

INFO

Published Date :

March 4, 2025, 5:15 p.m.

Last Modified :

Aug. 22, 2025, 3:57 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-27156 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Enalean tuleap
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
CVSS 3.1 MEDIUM [email protected]
Solution
Update Tuleap to a fixed version to prevent HTML injection in emails.
  • Update Tuleap to version 16.4.99.1740567344 or later.
  • Update Tuleap Enterprise Edition to version 16.4-6 or 16.3-11.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-27156.

URL Resource
https://github.com/Enalean/tuleap/commit/a0bc657297b405debce1f5bcbbb30c733f3f09bd Patch
https://github.com/Enalean/tuleap/security/advisories/GHSA-x2v2-xr59-c9cf Third Party Advisory Patch
https://tuleap.net/plugins/tracker/?aid=42177 Vendor Advisory Issue Tracking Patch
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-27156 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-27156 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-27156 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-27156 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Aug. 22, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    Added CPE Configuration OR *cpe:2.3:a:enalean:tuleap:*:*:*:*:enterprise:*:*:* versions up to (excluding) 16.3-11 *cpe:2.3:a:enalean:tuleap:*:*:*:*:enterprise:*:*:* versions from (including) 16.4 up to (excluding) 16.4-6 *cpe:2.3:a:enalean:tuleap:*:*:*:*:community:*:*:* versions up to (excluding) 16.4.99.1740567344
    Added Reference Type GitHub, Inc.: https://github.com/Enalean/tuleap/commit/a0bc657297b405debce1f5bcbbb30c733f3f09bd Types: Patch
    Added Reference Type GitHub, Inc.: https://github.com/Enalean/tuleap/security/advisories/GHSA-x2v2-xr59-c9cf Types: Patch, Third Party Advisory
    Added Reference Type GitHub, Inc.: https://tuleap.net/plugins/tracker/?aid=42177 Types: Issue Tracking, Patch, Vendor Advisory
  • New CVE Received by [email protected]

    Mar. 04, 2025

    Action Type Old Value New Value
    Added Description Tuleap is an Open Source Suite to improve management of software developments and collaboration. The mass emailing features do not sanitize the content of the HTML emails. A malicious user could use this issue to facilitate a phishing attempt or to indirectly exploit issues in the recipients mail clients. This vulnerability is fixed in Tuleap Community Edition 16.4.99.1740567344 and Tuleap Enterprise Edition 16.4-6 and 16.3-11.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
    Added CWE CWE-79
    Added Reference https://github.com/Enalean/tuleap/commit/a0bc657297b405debce1f5bcbbb30c733f3f09bd
    Added Reference https://github.com/Enalean/tuleap/security/advisories/GHSA-x2v2-xr59-c9cf
    Added Reference https://tuleap.net/plugins/tracker/?aid=42177
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.4
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact