PingFederate and PingAccess
CVE-2023-40545: PingFederate OAuth client_secret_jwt Authentication Bypass
Authentication bypass when an OAuth2 Client is using client_secret_jwt as its authentication method on affected 11.3 versions via specially crafted requests.
Published
ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 8.8
EPSS0.93%Chance of exploitation in 30 days
Public exploitNot tracked
FixSee advisory
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| PingFederate 11.3.0 to 11.3.2 | Upgrade past 11.3.2; see the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
Authentication bypass when an OAuth2 Client is using client_secret_jwt as its authentication method on affected 11.3 versions via specially crafted requests.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 13 Oct 2026.