CVE-2026-73276

High

Description

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, from OTP 28.0 before OTP 28.5.0.6, and from OTP 29.0 before OTP 29.0.6, corresponding to inets from 7.1.2 before 9.3.2.7, from 9.4 before 9.6.2.3, and from 9.7 before 9.7.2.

SeverityHigh

CVSS8.3

Exploit probability—

Product

Erlang\/otp

PublishedSep 1, 2026

First seenSep 1, 2026

Weakness typeCWE-444CWE-444

How to fix

Update

erlang erlang\/otp27.3.4.17, 28.5.0.6, 29.0.6, 9.3.2.7, 9.6.2.3, 9.7.2 or later

Patches

Vendor advisories

github.com/erlang/otp/security/advisories/GHSA-6v7q-jwgh-cx8p

Affected products

Product	Affected versions	Fixed in
erlang erlang\/otp	22.2 ≤ v < 27.3.4.17, 28.0 ≤ v < 28.5.0.6, 29.0 ≤ v < 29.0.6, 7.1.2 ≤ v < 9.3.2.7, 9.4 ≤ v < 9.6.2.3, 9.7 ≤ v < 9.7.2, c06db0bedf49a9b40725745e73fa82e562612815	27.3.4.17, 28.5.0.6, 29.0.6, 9.3.2.7, 9.6.2.3, 9.7.2

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