Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities.
CVE-2026-73276
Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities. This issue affects OTP from OTP 22.2 before OTP 27.3.4.17, OTP 28.5.0.6, and OTP 29.0.6, corresponding to inets from 7.1.2 before 9.3.2.7, 9.6.2.3, and 9.7.2.
Assessment
- CVSS
- 8.3 (v4.0)
- Severity
- High
- EPSS
- 0.58% chance of exploitation in the next 30 days
- Known exploited
- Not listed in CISA KEV
- Exploit availability
- Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
- Published
- 1 September 2026
- Last updated
- 11 November 2026
- Assigner
- EEF
CVSS vectorCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N
At the source
References
- https://github.com/erlang/otp/security/advisories/GHSA-6v7q-jwgh-cx8p
- https://cna.erlef.org/cves/CVE-2026-73276.html
- https://osv.dev/vulnerability/EEF-CVE-2026-73276
- https://www.erlang.org/doc/system/versions.html#order-of-versions
- https://github.com/erlang/otp/commit/c06db0bedf49a9b40725745e73fa82e562612815
- https://github.com/erlang/otp/commit/60add5a19e2154560fdff3fe92dba14a68bbd683
- https://github.com/erlang/otp/commit/6cd995e34d3bb3d36dd278dded2d62c25e71820c
- https://github.com/erlang/otp/commit/c285240c6e4b93960c5dc4f17ba04e6fdfb27a0f
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