{"action":"Upgrade io.opentelemetry.javaagent:opentelemetry-javaagent to 2.26.1 or later.","affected":[{"fixed":"2.26.1","introduced":"0"}],"component":"io.opentelemetry.javaagent:opentelemetry-javaagent","cve_ids":["CVE-2026-33701"],"ecosystem":"Maven","epss":0.00936,"exploited":false,"fixed_versions":["2.26.1"],"ghsa_id":"GHSA-xw7x-h9fj-p2c7","id":"tcs_01M5N9K31FER08QAA6PTT5BJMY","modified_at":"2026-07-29T16:01:38.782583769Z","published_at":"2026-03-25T21:27:43Z","references":["https://osv.dev/vulnerability/GHSA-xw7x-h9fj-p2c7","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"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-xw7x-h9fj-p2c7","url":"https://osv.dev/vulnerability/GHSA-xw7x-h9fj-p2c7"}],"summary":"OpenTelemetry: Unsafe Deserialization in RMI Instrumentation may Lead to Remote Code Execution"}