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Tuleap EUVDEUVD-2025-201839

| CVE-2025-64497 MEDIUM
Authorization Bypass Through User-Controlled Key (CWE-639)
2025-12-08 security-advisories@github.com
Authentication Bypass Tuleap Enalean
6.5
CVSS 3.1 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-639
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Object-level authorization, IDOR prevention
Impact

CVSS score of 6.5 (MEDIUM).
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 15, 2026

Tuleap is an Open Source Suite for management of software development and collaboration. Versions below 17.0.99.1762431347 of Tuleap Community Edition and Tuleap Enterprise Edition below 17.0-2, 16.13-7 and 16.12-10 allow attackers to access file release system information in projects they do not have access to. This issue is fixed in version 17.0.99.1762431347 of the Tuleap Community Edition and versions 17.0-2, 16.13-7 and 16.12-10 of Tuleap Enterprise Edition.

Earlier versions of this analysis (1)
v1 Mar 15, 2026 - 17:54 CVSS 6.5

RemediationAI

A vendor patch is available. Apply it as soon as possible and verify the fix.

Affected VersionsENISA

tuleap Tuleap Community Edition < 17.0.99.1762431347
tuleap Tuleap Enterprise Edition < 16.12-10
tuleap Tuleap Enterprise Edition < 16.13-7
tuleap Tuleap Enterprise Edition < 17.0-2

Affected Packages

euvd tuleap_tuleap_community_edition fix: 17.0.99.1762431347
euvd tuleap_tuleap_enterprise_edition fix: 16.12-10, 16.13-7, 17.0-2

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in euvd

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Technical ContextAI · show details

This vulnerability is classified as Authorization Bypass Through User-Controlled Key (CWE-639).

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 6.5 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

Lifecycle Timeline

2
Patch released
Mar 15, 2026 - 17:54 nvd
Patch available
CVE Published
Dec 08, 2025 - 23:15 nvd
MEDIUM 6.5

Executive ViewAI

Why It Matters

Organizations using Tuleap should be aware of notable risk from CVE-2025-64497, a IDOR vulnerability rated CVSS 6.5. Exploitation could compromise the security of affected deployments. A patch is available and should be applied during regular vulnerability management.

Business Impact: Moderate
Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score
0.0%
Top 88% exploitable
Data Quality
5 sources
Confidence: Medium
EUVD 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.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No

Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +32
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Authentication Bypass CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

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Same weakness CWE-639 – Authorization Bypass Through User-Controlled Key

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Same technique Authentication Bypass

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References

Advisories & patches
PATCH https://github.com/Enalean/tuleap/commit/403eb69f4cfafe52254c8f9bdbe66e1fedadc254 PATCH https://tuleap.net/plugins/git/tuleap/tuleap/stable?a=commit&h=403eb69f4cfafe52254c8f9bdbe66e1fedadc254 ADVISORY https://github.com/Enalean/tuleap/security/advisories/GHSA-v6vm-6rxf-7p2v ADVISORY https://tuleap.net/plugins/tracker/?aid=45583

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