CVE-2025-54576High· 7.4▾ TwilightAn authentication bypass flaw was found in the OAuth2-Proxy project. This bypass affects systems that have configured their deployment to skip authentication on endpoints that match a deployment-defined regular expression. HTTP parameters …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 40.7 · likelihood 0.2 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 12.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
1.2%
Last analysed / modified upstream
9.1 → 7.4
critical → high
1.2% → 1.2%
An authentication bypass flaw was found in the OAuth2-Proxy project. This bypass affects systems that have configured their deployment to skip authentication on endpoints that match a deployment-defined regular expression. HTTP parameters can be used to match and trigger the authentication bypass in unexpected ways.
github.com/oauth2-proxy/oauth2-proxy: OAuth2-Proxy authentication bypass — rated Important by Red Hat. Released 2025-07-30, updated 2026-09-23.
Affected:
No fix planned:
Affected
Workarounds / mitigations:
Affected packages:
github.com/oauth2-proxy/oauth2-proxy/v7 < 7.11.0Patched in:
github.com/oauth2-proxy/oauth2-proxy/v7 7.11.0Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
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