CVE-2026-45292
MEDIUMopentelemetry-java: Unbounded Memory Allocation in W3C Baggage Propagation
Title source: cnaDescription
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.
References (11)
Core 11
Core References
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:43038
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:41951
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:28573
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-45292
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2482785
Vendor Advisory
https://access.redhat.com/errata/RHSA-2026:36820
X_Refsource_Confirm x_refsource_confirm
https://github.com/open-telemetry/opentelemetry-java/security/advisories/GHSA-rcgg-9c38-7xpx
X_Refsource_Misc x_refsource_misc
https://github.com/open-telemetry/opentelemetry-java/pull/8380
X_Refsource_Misc x_refsource_misc
https://github.com/open-telemetry/opentelemetry-java/commit/03837d3c1763bc35464aea1078671e2ef2336a5f
X_Refsource_Misc x_refsource_misc
https://github.com/open-telemetry/opentelemetry-java/releases/tag/v1.62.0
Scores
CVSS v3
5.3
EPSS
0.0110
EPSS Percentile
62.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-770
Status
published
Products (5)
io.opentelemetry/opentelemetry-api
0 - 1.62.0Maven
io.opentelemetry/opentelemetry-api
1.62.0
io.opentelemetry/opentelemetry-extension-trace-propagators
0 - 1.62.0Maven
io.opentelemetry/opentelemetry-extension-trace-propagators
1.62.0
open-telemetry/opentelemetry-java
< 1.62.0
Published
May 28, 2026
Tracked Since
May 28, 2026