CVE-2026-40575
3 advisories.
Go/github.com/oauth2-proxy/oauth2-proxy/v7 CVE-2026-40575, CVE-2026-76835: critical 9.1
OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing
Action: Upgrade github.com/oauth2-proxy/oauth2-proxy/v7 to 7.15.2 or later.
go get github.com/oauth2-proxy/oauth2-proxy/v7@v7.15.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 7.5.0 | 7.15.2 | - |
Fixed versions
| 7.15.2 |
Sources
- osv: GHSA-7x63-xv5r-3p2x
- https://github.com/oauth2-proxy/oauth2-proxy/security/advisories/GHSA-7x63-xv5r-3p2x
- https://nvd.nist.gov/vuln/detail/CVE-2026-40575
- https://access.redhat.com/security/cve/CVE-2026-40575
- https://bugzilla.redhat.com/show_bug.cgi?id=2460449
- https://github.com/oauth2-proxy/oauth2-proxy
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40575.json
CVE-2026-40575, CVE-2026-76835 · published · modified · JSON
Go/github.com/oauth2-proxy/oauth2-proxy CVE-2026-40575, CVE-2026-76835: unknown
OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing in github.com/oauth2-proxy/oauth2-proxy
Action: No fix published. Pin and monitor.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | - | - |
Fixed versions
No fixed version in the source.
Sources
- osv: GO-2026-5236
- https://github.com/oauth2-proxy/oauth2-proxy/security/advisories/GHSA-7x63-xv5r-3p2x
- https://nvd.nist.gov/vuln/detail/CVE-2026-40575
CVE-2026-40575, CVE-2026-76835 · published · modified · JSON
Go/github.com/oauth2-proxy/oauth2-proxy/v7 CVE-2026-40575, CVE-2026-76835: unknown
OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing in github.com/oauth2-proxy/oauth2-proxy
Action: Upgrade github.com/oauth2-proxy/oauth2-proxy/v7 to 7.15.2 or later.
go get github.com/oauth2-proxy/oauth2-proxy/v7@v7.15.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 7.5.0 | 7.15.2 | - |
Fixed versions
| 7.15.2 |
Sources
- osv: GO-2026-5236#Go/github.com/oauth2-proxy/oauth2-proxy/v7
- https://github.com/oauth2-proxy/oauth2-proxy/security/advisories/GHSA-7x63-xv5r-3p2x
- https://nvd.nist.gov/vuln/detail/CVE-2026-40575
CVE-2026-40575, CVE-2026-76835 · published · modified · JSON