CVE-2026-38969

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Source
https://cve.org/CVERecord?id=CVE-2026-38969
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-38969.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-38969
Downstream
Published
2026-07-02T00:00:00Z
Modified
2026-07-08T08:12:59.936072926Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
Summary
[none]
Details

ruby webrick through v1.9.2 WEBrick reparses trailer Content-Length into canonical request state, enabling request smuggling.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/38xxx/CVE-2026-38969.json",
    "cna_assigner": "mitre"
}
References

Affected packages

Git / github.com/ruby/webrick

Affected ranges

Type
GIT
Repo
https://github.com/ruby/webrick
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
b1684cecf9eb87cb2ae20fd52fbb80cf3e859c8a
Database specific 
{
    "source": "DESCRIPTION",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "v1.9.2"
        }
    ]
}

Affected versions

v1.*
v1.4.0
v1.4.0.beta1
v1.4.1
v1.4.2
v1.5.0
v1.6.0
v1.7.0
v1.8.0
v1.8.1
v1.8.2
v1.9.0
v1.9.1

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-38969.json"