{"id":"CVE-2026-45683","aliases":["GHSA-fjq3-ffvr-vm46","GO-2026-5366"],"url":"https://o3.security/vulnerability/CVE-2026-45683","summary":"OpenTelemetry eBPF Instrumentation: Java TLS ioctl kprobe allows kernel memory disclosure","details":"OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, the Java TLS ioctl probe reads user-controlled ioctl pointers with bpf_probe_read instead of bpf_probe_read_user. An instrumented local process can therefore point OBI at kernel memory and cause that memory to be copied into telemetry. This issue has been patched in version 0.9.0.","published":"2026-06-02T15:25:11.881Z","modified":"2026-08-12T03:51:26.773651689Z","cvss":{"score":3.8,"severity":"LOW","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N"},"epss":{"score":0.00174,"percentile":0.07117,"asOf":"2026-08-14"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"go.opentelemetry.io/obi","fixedVersion":"0.9.0"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45683.json"},{"type":"ADVISORY","url":"https://github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-fjq3-ffvr-vm46"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-45683"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:26.773651689Z"}}