Description
OAuth token introspection returns metadata of tokens issued to other clients (RFC 7662 section 4 violation)
References4
Metrics
- CVSS 3.1
-
4.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - EPSS — exploit probability
- 0% percentile: 27 · as of 12 November 2026
- CWE
- CWE-200CWE-863
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.