🛡️ CVE-2026-33186 on Go (Root.io) — grpc

🟠 CVSS 8.0 — High ✅ No Known Exploit OSV
8.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

CVE-2026-33186 in rootio-google.golang.org/grpc - Patched by Root Root has patched CVE-2026-33186 in the rootio-google.golang.org/grpc package for Root:Go. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2026-33186 as tracked by Go (Root.io), for the package grpc. The fix is available in version v1.65.0-aikido.2; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability none.

Affected software and timeline

Affected software: google.golang.org/grpc (fixed in v1.65.0-aikido.2) and rootio-google.golang.org/grpc (fixed in v1.65.0-root.io.2). Published on 18 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2026-33186 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity HIGH
CVSS Score 8.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-06-18
Updated 2026-08-12
Modified 2026-06-18
Fix URL N/A

Affected Packages

Software From version Fixed in
google.golang.org/grpc — v1.65.0-aikido.2
rootio-google.golang.org/grpc — v1.65.0-root.io.2

References

N/A

Similar Threats

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