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OpenTelemetry: Unsafe Deserialization in RMI Instrumentation may Lead to Remote Code Execution
OpenTelemetry: Unsafe Deserialization in RMI Instrumentation may Lead to Remote Code Execution
Affected packages
- io.opentelemetry.javaagent:opentelemetry-javaagent— before 2.26.1
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- 0.93%
- EPSS percentile
- 57.3%
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs. This advisory is in the top 57%.
Sources
- https://github.com/open-telemetry/opentelemetry-java-instrumentation/security/advisories/GHSA-xw7x-h9fj-p2c7
- https://nvd.nist.gov/vuln/detail/CVE-2026-33701
- https://github.com/open-telemetry/opentelemetry-java-instrumentation/commit/9cf4fbaaa9e79226142b2ed42a6f6b4ac0be2197
- https://access.redhat.com/security/cve/CVE-2026-33701
- https://bugzilla.redhat.com/show_bug.cgi?id=2452071
- https://github.com/open-telemetry/opentelemetry-java-instrumentation
- https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/tag/v2.26.1
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-33701.json
Structured record: https://osv.dev/vulnerability/GHSA-xw7x-h9fj-p2c7
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