High severity · published Jan 7, 2026
CVE-2026-21694
Titra APIs have Improper Access Control
8.1
CVSS
0.3%
EPSS
No
On KEV
Description
Titra is open source project time tracking software. Versions 0.99.49 and below have Improper Access Control, allowing users to view and edit other users' time entries in private projects they have not been granted access to. This issue is fixed in version 0.99.50.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
TI
titra · kromitgmbh
< 0.99.50 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21694
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21694
Patch
https://github.com/kromitgmbh/titra/commit/29e6b88eca005107729e45a6f1731cf0fa5f8938
Exploit
https://github.com/kromitgmbh/titra/security/advisories/GHSA-mr2r-wjf8-cj3c
More from titra
9.1
CVE-2025-69288
Titra has Remote Code Execution in Admin Functionality
4.3
CVE-2026-21695
Titra API Contains Mass Assignment Vulnerability