OpenTelemetry eBPF Instrumentation: Java TLS ioctl kprobe allows kernel memory disclosure

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

• CISA KEV Not listed.
• EPSS 0.0017, the 6th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

1. 31 Oct 2026, 15:07 UTC First seen by agentprime
2. 31 Oct 2026, 15:07 UTC Confirmed by OSV

Sources

• GitHub Advisory Database: GHSA-fjq3-ffvr-vm46
• OSV: GHSA-fjq3-ffvr-vm46
• github.com/open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-fjq3-ffvr-vm46
• nvd.nist.gov/vuln/detail/CVE-2026-45683
• github.com/open-telemetry/opentelemetry-ebpf-instrumentation
• github.com/open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.