CVE-2026-41078
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.
Published:Apr 23, 2026
Last Modified:Apr 28, 2026
EPS:Apr 23, 2026
EPSS Score:0.0004
CVSS Score:5.9
Affected Products
Vendor
Product
Action
Vendor
Opentelemetry
Product
Opentelemetry
Opentelemetry
Opentelemetry
Vendor
Opentelemetry
Product
Opentelemetry-dotnet
Opentelemetry
Opentelemetry-dotnet
Vendor
Opentelemetry
Product
Opentelemetry.exporter.jaeger
Opentelemetry
Opentelemetry.exporter.jaeger
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
