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Medium severity5.9NVD Advisory· Published Apr 23, 2026· Updated Apr 28, 2026

CVE-2026-41078

CVE-2026-41078

Description

OpenTelemetry dotnet is a dotnet telemetry framework. In 1.6.0-rc.1 and earlier, OpenTelemetry.Exporter.Jaeger may allow sustained memory pressure when the internal pooled-list sizing grows based on a large observed span/tag set and that enlarged size is reused for subsequent allocations. Under high-cardinality or attacker-influenced telemetry input, this can increase memory consumption and potentially cause denial of service. There is no plan to fix this issue as OpenTelemetry.Exporter.Jaeger was deprecated in 2023.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
OpenTelemetry.Exporter.JaegerNuGet
<= 1.6.0-rc.1—

Affected products

6
  • Opentelemetry/Opentelemetry6 versions
    cpe:2.3:a:opentelemetry:opentelemetry:1.6.0:alpha1:*:*:*:.net:*:*+ 5 more
    • cpe:2.3:a:opentelemetry:opentelemetry:1.6.0:alpha1:*:*:*:.net:*:*
    • cpe:2.3:a:opentelemetry:opentelemetry:1.6.0:beta1:*:*:*:.net:*:*
    • cpe:2.3:a:opentelemetry:opentelemetry:1.6.0:beta2:*:*:*:.net:*:*
    • cpe:2.3:a:opentelemetry:opentelemetry:1.6.0:beta3:*:*:*:.net:*:*
    • cpe:2.3:a:opentelemetry:opentelemetry:1.6.0:rc1:*:*:*:.net:*:*
    • cpe:2.3:a:opentelemetry:opentelemetry:*:*:*:*:*:.net:*:*range: <1.6.0

Patches

0

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

3

News mentions

1