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CVE-2026-45685— OpenTelemetry eBPF Instrumentation: MongoDB parser panics on malformed wire messages

Quick assessment

Affected
open-telemetry opentelemetry-ebpf-instrumentation
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OpenTelemetry eBPF Instrumentation是OpenTelemetry开源的一个基于eBPF的轻量级遥测数据采集工具。 OpenTelemetry eBPF Instrumentation 0.1.0版本至0.9.0之前版本存在安全漏洞，该漏洞源于畸形的MongoDB线消息可能触发MongoDB TCP解析器中的未捕获恐慌，可能导致远程未认证攻击者崩溃遥测代理并造成拒绝服务。

CVSS 7.5 · High EPSS 0.63% · P48

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
open-telemetry opentelemetry-ebpf-instrumentation >= 0.1.0, < 0.9.0 affected
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I. Basic Information for CVE-2026-45685

Vulnerability Information
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Vulnerability Title
OpenTelemetry eBPF Instrumentation: MongoDB parser panics on malformed wire messages
Source: CVE Program / CVE List V5
Vulnerability Description
OpenTelemetry eBPF Instrumentation provides eBPF instrumentation based on the OpenTelemetry standard. From version 0.1.0 to before version 0.9.0, malformed MongoDB wire messages can trigger uncaught panics in the MongoDB TCP parser, allowing a remote unauthenticated attacker to crash the telemetry agent and cause a denial of service. The parser operates on raw attacker-controlled network payloads before the input is fully validated, so a single crafted message can terminate telemetry collection for the affected process or node. This issue has been patched in version 0.9.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
OpenTelemetry eBPF Instrumentation 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenTelemetry eBPF Instrumentation是OpenTelemetry开源的一个基于eBPF的轻量级遥测数据采集工具。 OpenTelemetry eBPF Instrumentation 0.1.0版本至0.9.0之前版本存在安全漏洞，该漏洞源于畸形的MongoDB线消息可能触发MongoDB TCP解析器中的未捕获恐慌，可能导致远程未认证攻击者崩溃遥测代理并造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
open-telemetry opentelemetry-ebpf-instrumentation >= 0.1.0, < 0.9.0 -

II. Public POCs for CVE-2026-45685

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9061 chars
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Trigger conditions & impact
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III. Intelligence Information for CVE-2026-45685

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Vendor Advisories for CVE-2026-45685 (1)

Vendor Pages for CVE-2026-45685 (1)

Same Patch Batch · open-telemetry · 2026-06-02 · 10 CVEs total

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-2026-45682 5.1 MEDIUM OpenTelemetry eBPF Instrumentation: CappedConcurrentHashMap leaks keys after removals
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
Same vendor: open-telemetry
Same weakness: CWE-20

V. Comments for CVE-2026-45685

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