CVE-2026-45292
opentelemetry-java is the Java implementation of the OpenTelemetry API for recording telemetry, and SDK for managing telemetry recorded by the API. Prior to 1.62.0, a vulnerability affects the baggage propagation implementation in opentelemetry-api and opentelemetry-extension-trace-propagators. Parsing oversized baggage causes unbounded memory allocation and CPU consumption. Because baggage is automatically re-injected into every outgoing request, the effect can fan out to downstream services that never received the original malicious request. This vulnerability is fixed in 1.62.0.
Published:May 28, 2026
Last Modified:Aug 28, 2026
EPS:May 28, 2026
EPSS Score:0.01097
CVSS Score:5.3
Affected Products
Vendor
Product
Action
Vendor
Opentelemetry
Product
Opentelemetry-java
Opentelemetry
Opentelemetry-java
Vendor
Opentelemetry
Product
Opentelemetry.api
Opentelemetry
Opentelemetry.api
Vendor
Opentelemetry
Product
Opentelemetry.extensions.propagators
Opentelemetry
Opentelemetry.extensions.propagators
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
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
