VDB
CVE-2026-40891
CVE-2026-40891
PUBLISHED
CVSS 5.300000190734863 MEDIUM
OpenTelemetry dotnet: Unbounded `grpc-status-details-bin` parsing in OTLP/gRPC retry handling
EPSS 0.02% · 5.5th percentile
Risk Scores
CVSS v3.1
5.300000190734863
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.02%
5.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| open-telemetry | opentelemetry-dotnet | * |
| open-telemetry | OpenTelemetry.Exporter.OpenTelemetryProtocol | >= 1.13.1, < 1.15.3 |
| NuGet | OpenTelemetry.Exporter.OpenTelemetryProtocol | 1.13.1 |
Timeline
- Apr 23, 2026 CVE Published
- Apr 23, 2026 CVE Updated
- Apr 24, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score
References
- https://github.com/open-telemetry/opentelemetry-dotnet/security/advisories/GHSA-mr8r-92fq-pj8p url
- https://github.com/open-telemetry/opentelemetry-dotnet/pull/5980 url
- https://github.com/open-telemetry/opentelemetry-dotnet/pull/7064 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-40891 advisory
- https://github.com/open-telemetry/opentelemetry-dotnet package