Answer in brief
CVE-2026-45292 records a Medium severity (CVSS 5.3) vulnerability in opentelemetry-java: Unbounded Memory Allocation in W3C Baggage Propagation. The current sources do not mark it as known exploited. The current feed maps io.opentelemetry/opentelemetry-api (generic), io.opentelemetry/opentelemetry-extension-trace-propagators (generic), open-telemetry/opentelemetry-java (generic), io.opentelemetry:opentelemetry-api (maven) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2026-45292 records a Medium severity (CVSS 5.3) vulnerability in opentelemetry-java: Unbounded Memory Allocation in W3C Baggage Propagation. The current sources do not mark it as known exploited. The current feed maps io.opentelemetry/opentelemetry-api (generic), io.opentelemetry/opentelemetry-extension-trace-propagators (generic), open-telemetry/opentelemetry-java (generic), io.opentelemetry:opentelemetry-api (maven) and additional mapped packages. Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps io.opentelemetry/opentelemetry-api (generic), io.opentelemetry/opentelemetry-extension-trace-propagators (generic), open-telemetry/opentelemetry-java (generic), io.opentelemetry:opentelemetry-api (maven) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| io.opentelemetry/opentelemetry-apigeneric | 1.62.0 | Not reported |
| io.opentelemetry/opentelemetry-extension-trace-propagatorsgeneric | 1.62.0 | Not reported |
| open-telemetry/opentelemetry-javageneric | < 1.62.0 | Not reported |
| io.opentelemetry:opentelemetry-apimaven | <=1.61.0 | 1.62.0 |
| io.opentelemetry:opentelemetry-extension-trace-propagatorsmaven | <=1.61.0 | 1.62.0 |
Published upstream
May 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 11, 2026
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.
Quoted source text, attributed separately from HOL analysis.
CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps io.opentelemetry/opentelemetry-api (generic), io.opentelemetry/opentelemetry-extension-trace-propagators (generic), open-telemetry/opentelemetry-java (generic), io.opentelemetry:opentelemetry-api (maven) and additional mapped packages. Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| io.opentelemetry/opentelemetry-apigeneric | 1.62.0 | Not reported |
| io.opentelemetry/opentelemetry-extension-trace-propagatorsgeneric | 1.62.0 | Not reported |
| open-telemetry/opentelemetry-javageneric | < 1.62.0 | Not reported |
| io.opentelemetry:opentelemetry-apimaven | <=1.61.0 | 1.62.0 |
| io.opentelemetry:opentelemetry-extension-trace-propagatorsmaven | <=1.61.0 | 1.62.0 |
Published upstream
May 28, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 7, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 11, 2026
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.
Quoted source text, attributed separately from HOL analysis.