Name: CVE-2026-73276: Inconsistent Interpretation of HTTP Requests
Creator: Rapid7
Published: 2026-09-01T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-73276, CWE-444, CVSS 8.3, EPSS 0.00577

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.

CVSS Details

CVSS 4.0 Base Score: 8.3 (HIGH)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade erlang	Oct 28, 2026	Sep 1, 2026
Freebsd	—	Upgrade erlang-runtime28Upgrade erlang-runtime27Upgrade erlangUpgrade erlang-runtime29	Sep 2, 2026	Sep 1, 2026
Ubuntu	—	Upgrade erlang-eldapUpgrade erlang-base (Ubuntu Pro)Upgrade erlang-eldap (Ubuntu Pro)Upgrade erlang-sslUpgrade erlang-baseUpgrade erlang-megacoUpgrade erlang-inetsUpgrade erlang-ssl (Ubuntu Pro)Upgrade erlang-megaco (Ubuntu Pro)Upgrade erlang-public-keyUpgrade erlang-base-hipe (Ubuntu Pro)Upgrade erlang-inets (Ubuntu Pro)Upgrade erlang-snmp (Ubuntu Pro)Upgrade erlang-snmp	Sep 29, 2026	Sep 28, 2026

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CVSS Details

Covered by Rapid7

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