CVE-2025-52899 | Tuleap vulnerable to user enumeration via the lost password form

Tuleap is an Open Source Suite created to facilitate management of software development and collaboration. In Tuleap Community Edition prior to version 16.9.99.1750843170 and Tuleap Enterprise Edition prior to 16.8-4 and 16.9-2, the forgot password form allows for user enumeration. This is fixed in Tuleap Community Edition version 16.9.99.1750843170 and Tuleap Enterprise Edition 16.8-4 and 16.9-2.

Published: 2025-07-29 Last update: 2025-08-22 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2025-52899 is rated Moderate Risk (41.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.35%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2025-52899

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-25 0.05% 0.35% +0.30%
2 2026-02-22 0.04% 0.05% +0.02%
3 2025-12-25 0.04%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2025-52899

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
3.9 1.4 [email protected]

Weakness enumeration for CVE-2025-52899

Affected software / configurations for CVE-2025-52899

Vendor Product Version Raw CPE
enalean tuleap < 16.8-4 cpe:2.3:a:enalean:tuleap:*:*:*:*:enterprise:*:*:*
enalean tuleap < 16.9.99.1750843170 cpe:2.3:a:enalean:tuleap:*:*:*:*:community:*:*:*
enalean tuleap >= 16.9, < 16.9-2 cpe:2.3:a:enalean:tuleap:*:*:*:*:enterprise:*:*:*

References for CVE-2025-52899

cvelogic Threat Intelligence