Tuleap
CVE-2025-27099
MEDIUM
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 4.8 (MEDIUM). Attack characteristics: network attack vector, low complexity, high privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.23%. |
| Exploit ScenarioDerived | A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application. |
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Alert meAnalysisAIv1 – Mar 28, 2026
Tuleap is an Open Source Suite to improve management of software developments and collaboration. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. Tuleap is an Open Source Suite to improve management of software developments and collaboration. Tuleap allows cross-site scripting (XSS) via the tracker names used in the semantic timeframe deletion message. A tracker administrator with a semantic timeframe used by other trackers could use this vulnerability to force other tracker administrators to execute uncontrolled code. This vulnerability is fixed in Tuleap Community Edition 16.4.99.1740067916 and Tuleap Enterprise Edition 16.4-5 and 16.3-10. Affected products include: Enalean Tuleap.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:L
Primary rating from GitHub Advisory · only source for this CVE.
CVSS VectorGitHub Advisory
Lifecycle Timeline
3DescriptionGitHub Advisory
Tuleap is an Open Source Suite to improve management of software developments and collaboration. Tuleap allows cross-site scripting (XSS) via the tracker names used in the semantic timeframe deletion message. A tracker administrator with a semantic timeframe used by other trackers could use this vulnerability to force other tracker administrators to execute uncontrolled code. This vulnerability is fixed in Tuleap Community Edition 16.4.99.1740067916 and Tuleap Enterprise Edition 16.4-5 and 16.3-10.
Executive ViewAI
Organizations using Tuleap should be aware of moderate risk from CVE-2025-27099, a cross-site scripting vulnerability rated CVSS 4.8. Attackers could inject scripts to steal sessions or perform actions as authenticated users. Proof-of-concept code is publicly available. A patch is available and should be applied during regular vulnerability management.
Apply vendor patch. If patching is delayed: implement CSP headers, enable HttpOnly cookies, deploy WAF XSS rules.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.
Affected Products (CPE)GitHub Advisory
An issue was discovered in Enalean Tuleap 9.6 and prior versions. Rated high severity (CVSS 8.8), this vulnerability is
project/register.php in Tuleap before 7.7, when sys_create_project_in_one_step is disabled, allows remote authenticated
Enalean Tuleap before 7.5.99.6 allows remote attackers to execute arbitrary commands via the User-Agent header, which is
Tuleap before 9.7 allows command injection via the PhpWiki 1.3.10 SyntaxHighlighter plugin. Rated high severity (CVSS 8.
A SQL injection vulnerability in the tracker functionality of Enalean Tuleap software engineering platform before 9.18 a
SQL injection vulnerability in Enalean Tuleap before 7.5.99.4 allows remote authenticated users to execute arbitrary SQL
An issue was discovered in Enalean Tuleap 9.17. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitab
Tuleap Open ALM is a libre and open source tool for end to end traceability of application and system developments. Rate
XML External Entity vulnerability in Enalean Tuleap 7.2 and earlier allows remote authenticated users to read arbitrary
An issue was discovered in Enalean Tuleap before 10.5. Rated critical severity (CVSS 9.8), this vulnerability is remotel
Tuleap is a tool for end to end traceability of application and system developments. Rated medium severity (CVSS 5.7), t
Tuleap is an open source suite to improve management of software developments and collaboration. Rated medium severity (
Exploit-DB