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.

References

https://osv.dev/vulnerability/EEF-CVE-2026-73276

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

https://github.com/erlang/otp/commit/c285240c6e4b93960c5dc4f17ba04e6fdfb27a0f

https://github.com/erlang/otp/commit/6cd995e34d3bb3d36dd278dded2d62c25e71820c

https://github.com/erlang/otp/commit/60add5a19e2154560fdff3fe92dba14a68bbd683

https://cna.erlef.org/cves/CVE-2026-73276.html

Details

Source: Mitre, NVD

Published: 2026-09-01

Updated: 2026-09-01

Risk Information

CVSS v2

Base Score: 6.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 9.1

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Severity: Critical

CVSS v4

Base Score: 8.3

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

Severity: High

EPSS

EPSS: 0.00328