Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Fixed packages 1

Vulnerabilities 1

• Critical 9.1
  CVE-2026-40575

  OAuth2 Proxy has an Authentication Bypass via X-Forwarded-Uri Header Spoofing

  OAuth2 Proxy is a reverse proxy that provides authentication using OAuth2 providers. Versions 7.5.0 through 7.15.1 may trust a client-supplied `X-Forwarded-Uri` header when `--reverse-proxy` is enabled and `--skip-auth-regex` or `--skip-auth-route` is configu…

  oauth2-proxy oauth2-proxy github.com/oauth2-proxy/oauth2-proxy github.com/oauth2-proxy/oauth2-proxy/v7 Go
  Apr 21, 2026

References

• article
  https://images.redhat.com/
• report
  https://access.redhat.com/security/cve/CVE-2026-40575
• article
  https://access.redhat.com/security/updates/classification/
• advisory
  https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_58471.json
• report
  https://bugzilla.redhat.com/show_bug.cgi?id=2460449
• advisory
  https://www.cve.org/CVERecord?id=CVE-2026-40575
• advisory
  https://nvd.nist.gov/vuln/detail/CVE-2026-40575
• article
  https://github.com/oauth2-proxy/oauth2-proxy/security/advisories/GHSA-7x63-xv5r-3p2x