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CVE-2026-45683
OpenTelemetry eBPF Instrumentation: Java TLS ioctl kprobe allows kernel memory disclosure
Low3.8EPSS 0.17%
- Published
- Updated
- Reserved
- Assigned by
- GitHub_M
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| GitHub_MCNA (assigner) | 3.1 | Low3.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
| NVDNVD · Analyzed | 3.1 | Low3.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.17% · top 93% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.8.
Weakness
Affected products
open-telemetry · opentelemetry-ebpf-instrumentation
- affected < 0.9.0
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogo.opentelemetry.io/obiGHSA-fjq3-ffvr-vm46 (opens in a new tab)
References (2)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-fjq3-ffvr-vm46 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2026-45683)Record last updated .