CVE-2026-108718 Rill 0.77.0 through 0.90.5 OAuth Missing Authorization via Dynamic Client Registration
Attackers can obtain long-lived API tokens with full user permissions by exploiting missing authorization in dynamic client registration.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-108718?
CVE-2026-108718 is a high-severity missing authorization vulnerability in rill, published on 11 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Rill 0.77.0 through 0.90.5 contains a missing authorization vulnerability in the admin OAuth server that issues authorization codes to dynamically registered clients without user consent. Attackers can register a client with the long_lived_access_token scope and lure a user to an authorization link, obtaining a non-expiring API token with the user's full permissions.
Weakness: CWE-862
Which versions are affected by CVE-2026-108718?
How do I fix CVE-2026-108718?
No fix has been published for CVE-2026-108718 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-2026-108718 being exploited?
There is no known exploitation of CVE-2026-108718 in the wild and no public exploit code.
Sources
Also known as GHSA-r44j-vvw7-323g.