High severity · published Oct 12, 2026
CVE-2026-105411
Authorization Bypass Through User-Controlled Key vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5
8.1
CVSS
0.2%
EPSS
No
On KEV
Description
An Authorization Bypass Through User-Controlled Key vulnerability affecting Tuleap Enterprise Edition from 17.0 through 17.5 could allow an attacker with tracker administration rights on one tracker to update or delete fields of all the trackers on the instance.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TE
Tuleap Enterprise Edition · Dassault Systèmes
17.0-1 through 17.0-41; 17.5-1 through 17.5-32 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-105411
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-105411
www.3ds.com
https://www.3ds.com/trust-center/security/security-advisories/cve-2026-105411
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