VulnerabilityDeferred
CVE-2026-73276
Gracefulness code ignored cases that should be rejected, resulting in possible HTTP Request Smuggling opportunities.
HIGH 8.3EPSS 0.33%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 8.3 HIGHCVSS: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/M
- EPSS
- 0.33% probability · 26th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-444
- Source
- 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
References
- https://cna.erlef.org/cves/CVE-2026-73276.html
- https://github.com/erlang/otp/commit/60add5a19e2154560fdff3fe92dba14a68bbd683
- https://github.com/erlang/otp/commit/6cd995e34d3bb3d36dd278dded2d62c25e71820c
- https://github.com/erlang/otp/commit/c285240c6e4b93960c5dc4f17ba04e6fdfb27a0f
- https://github.com/erlang/otp/security/advisories/GHSA-6v7q-jwgh-cx8p
- https://osv.dev/vulnerability/EEF-CVE-2026-73276
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.