# CVE-2026-21694: Titra APIs have Improper Access Control

> Attackers can view and edit other users' time entries in private projects due to improper access control in Titra.

- **Severity:** Medium 6.8 (`CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Jan 2026
- **Updated:** 8 Jan 2026
- **Also known as:** GHSA-mr2r-wjf8-cj3c

## What is CVE-2026-21694?

CVE-2026-21694 is a medium-severity missing authorization 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. 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.

Weakness: CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-21694?

It affects 1 product.


Products: Kromit Titra.

## How do I fix CVE-2026-21694?

No fix has been published for CVE-2026-21694 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-21694 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-21694 exists.

## Other vulnerabilities in kromitgmbh titra

- [CVE-2022-2595](https://insights.sbomify.com/CVE-2022-2595/): Improper Authorization in kromitgmbh/titra (critical 9.8)
- [CVE-2025-69288](https://insights.sbomify.com/CVE-2025-69288/): Titra has Remote Code Execution in Admin Functionality (critical 9.1)
- [CVE-2022-2026](https://insights.sbomify.com/CVE-2022-2026/): Cross-site Scripting (XSS) - Stored in kromitgmbh/titra (high 8.2)
- [CVE-2022-2028](https://insights.sbomify.com/CVE-2022-2028/): Cross-site Scripting (XSS) - Generic in kromitgmbh/titra (high 8.2)
- [CVE-2022-2029](https://insights.sbomify.com/CVE-2022-2029/): Cross-site Scripting (XSS) - DOM in kromitgmbh/titra (high 8.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-21694 and fix it if it is affected.

What it is: CVE-2026-21694 is a medium-severity missing authorization 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.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-21694 exists.

Affected product: kromitgmbh titra. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-21694/ (Markdown: https://insights.sbomify.com/CVE-2026-21694/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-21694
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-21694
- OSV: https://osv.dev/vulnerability/CVE-2026-21694

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-21694/
Summaries are generated and may contain mistakes; the official description above is the record.