CVE-2026-108718

Rill 0.77.0 through 0.90.5 OAuth Missing Authorization via Dynamic Client Registration

8.6 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Passive

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: None

Exploit likelihood

0.27%Unchanged since Oct 12, 2026

What each source reports

CVE List Score used 8.6

Rill 0.77.0 through 0.90.5 OAuth Missing Authorization via Dynamic Client Registration

Record: CVE-2026-108718
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2026-96992 8.6

Record: EUVD-2026-96992
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-r44j-vvw7-323g 8.6

Rill 0.77.0 through 0.90.5 contains a missing authorization vulnerability in the admin OAuth...

Record: GHSA-r44j-vvw7-323g
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 8.6

Record: CVE-2026-108718
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 8.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Weakness: CWE-862
Updated: 2026-11-02

OSV 8.6

Rill 0.77.0 through 0.90.5 OAuth Missing Authorization via Dynamic Client Registration

Record: CVE-2026-108718
CVSS 4.0: 8.6 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-862
Updated: 2026-11-02

Affected products

rill data rill

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-108718 is a high vulnerability (CVSS 8.6) in Rill Data Rill, published October 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. No source names a fixed version.