CVE-2026-71380: httpd applies no timeout while receiving a request body, parking a worker on a stalled client
CSIRTS triage
- What
- httpd applies no timeout while receiving a request body, allowing a stalled client to park and exhaust worker threads.
- Who is affected
- Deployments of Erlang/OTP inets httpd exposed to untrusted clients capable of initiating slow or incomplete requests.
- Urgency
- Medium-high urgency as thread exhaustion can cause denial of service and impact legitimate users.
- Action
- Update Erlang/OTP to a patched version and implement request timeouts or connection limits.
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-2026-71380
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-2026-713800.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-71380 | coverage & exploitation status | NVD · CVE.org |
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