gRPC Erlang package vulnerable to Remote Code Execution with attacker-controlled gRPC payloads
Critical vendor advisory
CVE-2026-48853
Summary
gRPC Erlang package vulnerable to Remote Code Execution with attacker-controlled gRPC payloads
Why it matters
GitHub has published a reviewed security advisory for grpc. Prioritize it with other application dependency updates, especially because EPSS places it in the 45% percentile.
Operator check
Check whether grpc is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available. CVSS score: 9.2. EPSS probability: 0.6%; percentile: 45%.
Sources
PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.