CVE-2026-40894
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
OpenTelemetry dotnet: Excessive memory allocation when parsing OpenTelemetry propagation headers
OpenTelemetry dotnet is a dotnet telemetry framework. In OpenTelemetry.Api 0.5.0-beta.2 to 1.15.2 and OpenTelemetry.Extensions.Propagators 1.3.1 to 1.15.2, The implementation details of the baggage, B3 and Jaeger processing code in the OpenTelemetry.Api and OpenTelemetry.Extensions.Propagators NuGet packages can allocate excessive memory when parsing which could create a potential denial of service (DoS) in the consuming application. This vulnerability is fixed in 1.15.3.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
opentelemetry-dotnet
- Vendor
- open-telemetry
- Product
- opentelemetry-dotnet
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| >= 0.5.0-beta.2, < 1.15.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
OpenTelemetry.Api
- Vendor
- open-telemetry
- Product
- OpenTelemetry.Api
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| >= 0.5.0-beta.2, < 1.15.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
OpenTelemetry.Extensions.Propagators
- Vendor
- open-telemetry
- Product
- OpenTelemetry.Extensions.Propagators
- Platforms
- Unknown
- Default status
Unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| >= 1.3.1, < 1.15.3 | affected | Unavailable | Unavailable | Unavailable | None listed |