{"id":"CVE-2026-45292","aliases":["GHSA-rcgg-9c38-7xpx"],"url":"https://o3.security/vulnerability/CVE-2026-45292","summary":"opentelemetry-java: Unbounded Memory Allocation in W3C Baggage Propagation","details":"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":"2026-05-28T16:37:29.490Z","modified":"2026-08-11T08:16:10.184686Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":{"score":0.01097,"percentile":0.62474,"asOf":"2026-08-09"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"io.opentelemetry:opentelemetry-api","fixedVersion":"1.62.0"},{"ecosystem":"Maven","name":"io.opentelemetry:opentelemetry-extension-trace-propagators","fixedVersion":"1.62.0"}],"fix":{"url":"https://github.com/open-telemetry/opentelemetry-java/commit/03837d3c1763bc35464aea1078671e2ef2336a5f","label":"open-telemetry/opentelemetry-java@03837d3"},"references":[{"type":"WEB","url":"https://github.com/open-telemetry/opentelemetry-java/releases/tag/v1.62.0"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45292.json"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:28573"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:36820"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:41951"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:43038"},{"type":"ADVISORY","url":"https://access.redhat.com/security/cve/CVE-2026-45292"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45292.json"},{"type":"ADVISORY","url":"https://github.com/open-telemetry/opentelemetry-java/security/advisories/GHSA-rcgg-9c38-7xpx"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45292"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2482785"},{"type":"FIX","url":"https://github.com/open-telemetry/opentelemetry-java/commit/03837d3c1763bc35464aea1078671e2ef2336a5f"},{"type":"FIX","url":"https://github.com/open-telemetry/opentelemetry-java/pull/8380"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-11T08:16:10.184686Z"}}