CVE-2025-54576
OAuth2-Proxy has authentication bypass in oauth2-proxy skip_auth_routes due to Query Parameter inclusion in github.com/oauth2-proxy/oauth2-proxy
9.1
CRITICAL
CVSS 3.1
EPSS 0.41%
Description
OAuth2-Proxy has authentication bypass in oauth2-proxy skip_auth_routes due to Query Parameter inclusion in github.com/oauth2-proxy/oauth2-proxy
How to fix CVE-2025-54576
To remediate CVE-2025-54576, upgrade the affected package to a fixed version below.
- —upgrade to 7.11.0 or later
- —no fix listed
- —upgrade to 7.11.0 or later
- —upgrade to 7.11.0 or later
Is CVE-2025-54576 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 7.11.0
- from 0
- from 0, < 7.11.0
- from 0, < 7.11.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
References (8)
- ADVISORYnvd.nist.gov/vuln/detail/CVE-2025-54576
- PATCHgithub.com/oauth2-proxy/oauth2-proxy
- WEBgithub.com/oauth2-proxy/oauth2-proxy/blob/f4b33b64bd66ad28e9b0d63bea51837b83c00ca1/oauthproxy.go#L582-L584
- WEBgithub.com/oauth2-proxy/oauth2-proxy/blob/f4b33b64bd66ad28e9b0d63bea51837b83c00ca1/pkg/requests/util/util.go#L37-L44