CVE-2026-33186: gRPC-Go has an authorization bypass via missing leading slash in :path
Overview
- Severity
- High (CVSS 8.1)
- CVSS Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- Exploit Status
- Not Exploited
- Patch Tuesday
- 2026-Aug
- Released
- 2026-03-26
- Last Updated
- 2026-08-07
- EPSS Score
- 1.56% (percentile: 72.8%)
Detection & Weaponization (1 sources)
Maturity: Exploit
- GitHub PoC: 1 repositories
Affected Products (3)
Mariner
- cbl2 grpc 1.42.0-11 on CBL Mariner 2.0
- azl3 grpc 1.62.3-1 on Azure Linux 3.0
- cbl2 grpc 1.42.0-11
Revision History
- 2026-03-26: Information published.
- 2026-08-07: Information published.