CVE-2026-84205 GROWI through 8.0.2 Authorization Bypass Through User-Controlled Key on apiv3 Revision Retrieval
Authenticated attackers can bypass access controls to read revision content from unauthorized pages by manipulating API parameters.
- 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-2026-84205?
CVE-2026-84205 is a high-severity missing authorization vulnerability in growilabs growi, published on 1 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
GROWI contains an access control vulnerability in the GET /_api/v3/revisions/:id endpoint that validates access against a query parameter but returns the revision identified by the path parameter without confirming they reference the same page. Authenticated attackers can pair a page identifier they can access with an arbitrary revision identifier to read revision content from pages they lack permission to view.
Weakness: CWE-639
Which versions are affected by CVE-2026-84205?
How do I fix CVE-2026-84205?
No fix has been published for CVE-2026-84205 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-2026-84205 being exploited?
There is no known exploitation of CVE-2026-84205 in the wild and no public exploit code.
Sources
Also known as GHSA-gjwx-pwx3-4hxq.