CVE-2026-44967: opentelemetry-cpp: OTLP HTTP exporters read unbounded HTTP response
CSIRTS triage
- What
- OTLP HTTP exporters can read unbounded HTTP responses.
- Who is affected
- Users of opentelemetry-cpp with OTLP HTTP exporters.
- Urgency
- Remediation is medium urgency as it may lead to resource exhaustion but no active exploitation is reported.
- Action
- Limit the size of HTTP responses in OTLP HTTP exporters.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-44967
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-449670.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-44967 | coverage & exploitation status | NVD · CVE.org |
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