CVE-2026-73276CWE-444

CVE-2026-73276

published September 1, 2026

CVSS
8.3
EPSS
1%
Percentile
46.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
8.3 · NONE
CVSS v4.0
8.3 · 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
EPSS
0.00577 · 46.8th percentile
Weakness
CWE-444 · Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Published
2026-09-01T19:17Z
References (6)
https://cna.erlef.org/cves/CVE-2026-73276.html · 6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://github.com/erlang/otp/commit/60add5a19e2154560fdff3fe92dba14a68bbd683 · 6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://github.com/erlang/otp/commit/6cd995e34d3bb3d36dd278dded2d62c25e71820c · 6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://github.com/erlang/otp/commit/c285240c6e4b93960c5dc4f17ba04e6fdfb27a0f · 6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://github.com/erlang/otp/security/advisories/GHSA-6v7q-jwgh-cx8p · 6b3ad84c-e1a6-4bf7-a703-f496b71e49dbhttps://osv.dev/vulnerability/EEF-CVE-2026-73276 · 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
EPSS history
Timeline
  • 03 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 01 SEP 14:41Z
    inets, httpd: HTTP Request Smuggling via Whitespace-Before-Colon Header Dropping i
    cvelistv5