CVE-2026-2109 jsbroks COCO Annotator Delete Category undo improper authorization
Remote attackers can bypass authorization to delete categories in COCO Annotator via the undo API, potentially modifying data without proper permissions.
- 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-2026-2109?
CVE-2026-2109 is a medium-severity missing authorization vulnerability in jsbroks COCO Annotator, published on 7 Feb 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was identified in jsbroks COCO Annotator up to 0.11.1. Affected is an unknown function of the file /api/undo/ of the component Delete Category Handler. Such manipulation of the argument ID leads to improper authorization. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-2109?
It affects 1 product.
Products include Jsbroks Coco Annotator.
How do I fix CVE-2026-2109?
No fix has been published for CVE-2026-2109 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-2109 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2109 exists.
Other vulnerabilities in jsbroks COCO Annotator
Sources
Also known as GHSA-34mv-wr5q-834h.