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UBUNTU-CVE-2026-38969 | Mondoo Vulnerability Intelligence

Vulnerability IntelligenceUBUNTU-CVE-2026-38969

UBUNTU-CVE-2026-38969

HIGH7.5

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

Published Jul 2, 2026

Modified 1 weeks ago

Details

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

Affected Packages

ruby-webrick

Ubuntu 25.10

Affected versions:

1.8.1-1ubuntu11.9.1-1

References

https://github.com/ruby/webrick/issues/198

https://github.com/ruby/webrick/pull/199

https://ubuntu.com/security/CVE-2026-38969

https://www.cve.org/CVERecord?id=CVE-2026-38969

CVSS Analysis

CVSS v3.1

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

HighI:H

Availability

NoneA:N

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

Upstream

Ecosystems

Timeline

PublishedJul 2, 2026

ModifiedJul 9, 2026