CVE-2026-66357
An attacker can exploit multiple vulnerabilities in Erlang/OTP to bypass security measures, manipulate or disclose data, or cause a denial-of-service condition.
CSIRTS triage
- What
- Multiple vulnerabilities in Erlang/OTP allow security bypass, data manipulation or disclosure, and denial-of-service attacks.
- Who is affected
- Systems running affected versions of Erlang/OTP are at risk.
- Urgency
- Medium severity; multiple classes of vulnerabilities present but no exploitation reported yet.
- Action
- Review Erlang/OTP security advisories and apply the latest stable patches.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.33% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 25% of all EPSS-scored CVEs.
Advisory coverage (3)
- medium[NEW] [medium] Erlang/OTP: Multiple vulnerabilitiescert-bund · 2026-09-02
- unknownCVE-2026-66357: inets,httpd:HTTP Request Smuggling via obs-fold Header Continuationmsrc · 2026-09-02
- unknownCVE-2026-66357: httpd has never implemented obs-fold (RFC 2616 §2.2 / RFC 7230 §3.2.4 header continuation line…nvd · 2026-09-01
External references
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