CVE-2026-21695 Titra API Contains Mass Assignment Vulnerability

Medium 4.3 Published 7 Jan 2026 Updated 8 Jan 2026

Authenticated attackers can modify protected time entry fields like hours and state by injecting arbitrary keys into the customfields parameter.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-21695?

CVE-2026-21695 is a medium-severity vulnerability in kromitgmbh titra, published on 7 Jan 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Titra is open source project time tracking software. In versions 0.99.49 and below, an API has a Mass Assignment vulnerability which allows authenticated users to inject arbitrary fields into time entries, bypassing business logic controls via the customfields parameter. The affected endpoint uses the JavaScript spread operator (...customfields) to merge user-controlled input directly into the database document. While customfields is validated as an Object type, there is no validation of which keys are permitted inside that object. This allows attackers to overwrite protected fields such as userId, hours, and state. The issue is fixed in version 0.99.50.

Weakness: CWE-915

Which versions are affected by CVE-2026-21695?

It affects 1 product.

Products include Kromit Titra.

How do I fix CVE-2026-21695?

No fix has been published for CVE-2026-21695 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-21695 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-21695 exists.

Sources

Also known as GHSA-gc65-vr47-jppq.