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CVE-2026-45682

25
FAUCET Score

OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. Prior to version 0.9.0, the custom CappedConcurrentHashMap introduced for Java TLS state tracking never removes keys from its insertion-order queue when entries are deleted. In long-running instrumented JVMs, repeated connection churn can therefore grow the queue without bound and exhaust heap memory. This issue has been patched in version 0.9.0.

First published: Jun 2, 2026Last modified: Jun 2, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 0.9.0CPE matchmatch criteria
cpe:2.3:a:opentelemetry:ebpf_instrumentation:*:*:*:*:*:go:*:*

CVSS Data

CVSS version used by this source: 3.1

5.1MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.4
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.16%
Probability of exploitation in next 30 days
EPSS Percentile
5.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0016 is in the 34th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

gopatch availablevia ghsa
Product: go.opentelemetry.io/obiFixed in: 0.9.0
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-962q-hwm5-52x5medium

OpenTelemetry eBPF Instrumentation: CappedConcurrentHashMap leaks keys after removals

May 18, 2026

References

github.com / open-telemetry/opentelemetry-ebpf-instrumentation/releases/tag/v0.9.0
ProductRelease Notes
github.com / open-telemetry/opentelemetry-ebpf-instrumentation/security/advisories/GHSA-962q-hwm5-52x5
ExploitVendor Advisory