CVE-2026-38969
7.5
HIGH
CVSS 3.1
EPSS 0.35%
Description
ruby webrick through v1.9.2 WEBrick reparses trailer Content-Length into canonical request state, enabling request smuggling.
How to fix CVE-2026-38969
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/ruby-webrick—no fix listed
Is CVE-2026-38969 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |