CVE-2026-84303: gRPC-Go: xDS RBAC HTTP Filter bypass via mixed-case Header Matching and gRFC A41 validation evasion

Overview

Severity

N/A

Exploit Status

Not Exploited

Patch Tuesday

2026-Sep

Released

2026-09-07

Last Updated

2026-09-08

EPSS Score

0.31% (percentile: 23.5%)

Affected Products (1)

Other

• 17664-17084

Security Updates (1)

• Security Update

Revision History

• 2026-09-07: Information published.
• 2026-09-08: Information published.