PYSEC-2026-1428
See a problem?- Import Source
- https://github.com/pypa/advisory-database/blob/main/vulns/grpcio/PYSEC-2026-1428.yaml
- JSON Data
- https://api.test.osv.dev/v1/vulns/PYSEC-2026-1428
- Aliases
- Published
- 2026-07-07T11:45:24.303647Z
- Modified
- 2026-07-07T17:46:44.804742376Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- Denial of Service Vulnerability in gRPC TCP Server (Posix-compatible platforms)
- Details
-
Lack of error handling in the TCP server in Google's gRPC starting version 1.23 on posix-compatible platforms (ex. Linux) allows an attacker to cause a denial of service by initiating a significant number of connections with the server. Note that gRPC C++ Python, and Ruby are affected, but gRPC Java, and Go are NOT affected.
- References
-
- https://nvd.nist.gov/vuln/detail/CVE-2023-4785
- https://github.com/grpc/grpc/pull/33656
- https://github.com/grpc/grpc/pull/33667
- https://github.com/grpc/grpc/pull/33669
- https://github.com/grpc/grpc/pull/33670
- https://github.com/grpc/grpc/pull/33672
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/grpc/CVE-2023-4785.yml
- https://groups.google.com/g/grpc-io/c/LlLkB1CeE4U
- https://rubygems.org/gems/grpc/versions/1.53.2
- https://rubygems.org/gems/grpc/versions/1.54.3
- https://rubygems.org/gems/grpc/versions/1.55.3
- https://rubygems.org/gems/grpc/versions/1.56.2
- https://pypi.org/project/grpcio
- https://github.com/advisories/GHSA-p25m-jpj4-qcrr
Affected packages
PyPI / grpcio
Package
- Name
- grpcio
- View open source insights on deps.dev
- Purl
- pkg:pypi/grpcio