CVE-2026-108718
Rill 0.77.0 through 0.90.5 contains a missing authorization vulnerability in the admin OAuth server…
- Risk score
- 57/100
- CVSS
- 8.1 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 11 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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-ex…
- Affected
- See advisory
- Fix
- Apply the vendor's security update; see the linked advisory.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 8.1 high
- Remotely exploitable without logging in
References
- https://github.com/rilldata/rill
- https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/handlers.go#L650-L697
- https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/mcp_oauth.go#L77-L153
- https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/pkce.go#L173-L214
- https://hackmd.io/@haind03/rill-oauth-open-registration-long-lived-token
- https://www.vulncheck.com/advisories/rill-0.77.0-through-0.90.5-oauth-missing-authorization-via-dynamic-client-registration
Original 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.
Last activity 11 Oct 2026. Patch Forecast updates every hour.