CVE-2026-45682— OpenTelemetry eBPF Instrumentation: CappedConcurrentHashMap leaks keys after removals
Possible ATT&CK Techniques 1AI
T1496 · Resource HijackingAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| open-telemetry | opentelemetry-ebpf-instrumentation | < 0.9.0 | affected |
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I. Basic Information for CVE-2026-45682
Vulnerability Information
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Vulnerability Title
OpenTelemetry eBPF Instrumentation: CappedConcurrentHashMap leaks keys after removals
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
在移除最后引用时对内存的释放不恰当(内存泄露)
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| open-telemetry | opentelemetry-ebpf-instrumentation | < 0.9.0 | - |
II. Public POCs for CVE-2026-45682
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-45682 (1)
Vendor Pages for CVE-2026-45682 (1)
Same Patch Batch · open-telemetry · 2026-06-02 · 10 CVEs total
| CVE-2026-45685 | 7.5 HIGH | OpenTelemetry eBPF Instrumentation: MongoDB parser panics on malformed wire messages |
| CVE-2026-45686 | 7.5 HIGH | OpenTelemetry eBPF Instrumentation: Memcached payload length overflow can crash OBI |
| CVE-2026-45678 | 7.5 HIGH | OpenTelemetry eBPF Instrumentation: Postgres BIND parsing can panic on malformed payloads |
| CVE-2026-45679 | 6.5 MEDIUM | OpenTelemetry eBPF Instrumentation: Redis error text is exported in span status messages |
| CVE-2026-45681 | 5.9 MEDIUM | OpenTelemetry eBPF Instrumentation: CPU-mismatch fallback uses 256-byte buffer with 8KB si |
| CVE-2026-45680 | 5.9 MEDIUM | OpenTelemetry eBPF Instrumentation: Unbounded BPF internal metrics replay can exhaust CPU |
| CVE-2026-45676 | 5.5 MEDIUM | OpenTelemetry eBPF Instrumentation: Unsafe fastelf parsing allows malformed ELF to crash a |
| CVE-2026-45684 | 4.9 MEDIUM | OpenTelemetry eBPF Instrumentation: Log enricher writev path can overread and overwrite us |
| CVE-2026-45683 | 3.8 LOW | OpenTelemetry eBPF Instrumentation: Java TLS ioctl kprobe allows kernel memory disclosure |
IV. Related Vulnerabilities
Same product: opentelemetry-ebpf-instrumentation
- CVE-2026-45686
OpenTelemetry eBPF Instrumentation: Memcached payload length - CVE-2026-45685
OpenTelemetry eBPF Instrumentation: MongoDB parser panics on - CVE-2026-45684
OpenTelemetry eBPF Instrumentation: Log enricher writev path - CVE-2026-45683
OpenTelemetry eBPF Instrumentation: Java TLS ioctl kprobe al - CVE-2026-45681
OpenTelemetry eBPF Instrumentation: CPU-mismatch fallback us
Same vendor: open-telemetry
- CVE-2026-45686
OpenTelemetry eBPF Instrumentation: Memcached payload length - CVE-2026-45685
OpenTelemetry eBPF Instrumentation: MongoDB parser panics on - CVE-2026-45684
OpenTelemetry eBPF Instrumentation: Log enricher writev path - CVE-2026-45683
OpenTelemetry eBPF Instrumentation: Java TLS ioctl kprobe al - CVE-2026-45681
OpenTelemetry eBPF Instrumentation: CPU-mismatch fallback us
Same weakness: CWE-401
- CVE-2026-47326
Memory leak in Ubuntu Linux AppArmor large notification resp - CVE-2026-44660
UltraJSON: Memory Leak in ujson.dump() on Write Failure - CVE-2026-9572
GPAC MP4Box media.c Media_GetSample memory leak - CVE-2026-35424
Internet Key Exchange (IKE) Protocol Denial of Service Vulne - CVE-2026-43506
Prosody 安全漏洞
V. Comments for CVE-2026-45682
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