grpcio Known Vulnerabilities & Fixes
grpcio has 4 known security vulnerabilities in PyPI (Python). Upgrade to version 1.56.2 or later to resolve all known issues. Data sourced from OSV, enriched with EPSS exploit probability and CISA KEV.
Low Immediate Risk
No actively exploited vulnerabilities detected. Monitor and update in your next maintenance window.
Recommended safe version: 1.56.2
Upgrading to 1.56.2 or later resolves all 4 known vulnerabilities in grpcio. Run: pip install "grpcio>=1.56.2"
Is grpcio in your project?
Check if you're affected and upgrade to 1.56.2 to stay secure.
Security Summary
- 10 affected version ranges have been identified across these 4 advisories.
- 100% of known issues have a published fixed version.
- Remediation: pip install --upgrade grpcio
Vulnerabilities
4 unique vulnerabilities — sorted by exploitation risk (KEV → EPSS → CVSS). Click a CVE/GHSA ID for full details. First disclosed Jul 5, 2023, most recently Sep 13, 2023 (70 days apart).
| CVE / GHSA | Severity | Affected | Fixed In |
|---|---|---|---|
| CVE-2023-33953 Excessive Iteration in gRPC | HIGH | 0.10.0a0, 0.11.0b0, 0.11.0b1, 0.12.0b0 (+185 more) | 1.53.2, 1.54.3, 1.55.2 (+1 more) |
| CVE-2023-1428 gRPC Reachable Assertion issue | HIGH | 1.51.0, 1.51.1, 1.51.3, 1.52.0 (+2 more) | 1.53.0 |
| CVE-2023-32731 Connection confusion in gRPC | HIGH | 1.53.0, 1.54.0 | 1.53.1, 1.54.2 |
| CVE-2023-4785 Denial of Service Vulnerability in gRPC TCP Server (Posix-compatible platforms) | HIGH | 1.55.0, 1.54.0, 1.54.2, 1.53.0 (+1 more) | 1.55.3, 1.54.3, 1.53.2 |
About This Data
Vulnerability data for grpcio is sourced from the Open Source Vulnerability (OSV) database, aggregating reports from GitHub Advisory Database, NIST NVD, and ecosystem-specific sources.
CVSS (Common Vulnerability Scoring System) scores reflect exploitability and impact. EPSS (Exploit Prediction Scoring System) scores indicate the probability of exploitation within the next 30 days. Vulnerabilities marked with are listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
Related PyPI (Python) Packages
Other packages in this ecosystem, ranked by shared vulnerabilities where available.
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