High 8.1Published Oct 11, 2026

CVE-2026-108718Rill 0.77.0 through 0.90.5 OAuth Missing Authorization via Dynamic Client Registration

Updated under an hour ago (2026-10-19 08:23 UTC)

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It affects Rill Data rill. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.27%, higher than 18% of scored CVEs.

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Every CVE for Rill Data rill

Exploited in the last 30 days

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.

CVSS: 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-862
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): 0.27% (percentile 18)
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 18, 2026
First seen by InfoSec Signals: Oct 11, 2026

Affected products

Affected products

Rill Data rill rill_data:rill (from the name)	from 0.77.0 through 0.90.5	CNA record

References

https://hackmd.io/@haind03/rill-oauth-open-registration-long-lived-tokenthird-party-advisory
https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/handlers.go#L650-L697technical-description
https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/mcp_oauth.go#L77-L153technical-description
https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/pkce.go#L173-L214technical-description
https://github.com/rilldata/rillproduct
https://www.vulncheck.com/advisories/rill-0.77.0-through-0.90.5-oauth-missing-authorization-via-dynamic-client-registrationthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.