CVE-2026-74835: DoS

Description

The inets application HTTP server httpd fails to enforce a configured body-size limit on chunked request. This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.

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Weakness Type (CWE)

CWE-770 CWE-770

References

Other References

https://cna.erlef.org/cves/CVE-2026-74835.html https://github.com/erlang/otp/commit/0bceff0c2987cae83d9d4a77c5ecacd6d01b8b86 https://github.com/erlang/otp/commit/7f9c460d1818c2afb78fbd01f8d8b81343bbb011 https://github.com/erlang/otp/commit/8e1ca42b64df6c41306affbe8dc129bdbd4042c7 https://github.com/erlang/otp/security/advisories/GHSA-8qrh-x566-5xv5 https://osv.dev/vulnerability/EEF-CVE-2026-74835

Frequently Asked Questions

What is CVE-2026-74835? +

The inets application HTTP server httpd fails to enforce a configured body-size limit on chunked request. This issue affects OTP from OTP 17.0 before OTP 27.3.4.17, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 5.10 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2. Whether OTP before OTP 17.0, corresponding to inets before 5.10, is affected is unknown.

How do I check if I'm vulnerable to CVE-2026-74835? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2026-74835