Inconsistent interpretation of HTTP requests in Apache Traffic Server - CVE-2026-58150

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Main Vulnerability Database Vulnerabilities #VU144761

Inconsistent interpretation of HTTP requests in Apache Traffic Server - CVE-2026-58150

Published: August 24, 2026


Vulnerability identifier: #VU144761
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-58150
CWE-ID: CWE-444
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform request smuggling.

The vulnerability exists due to improper input validation in HTTP/2 when handling requests containing Transfer-Encoding. A remote attacker can send a specially crafted request to perform request smuggling.


Affected software

Apache Traffic Server
Fedora
trafficserver

How to mitigate CVE-2026-58150

Install security update from vendor's website.

Apache Traffic Server - addressed in versions 9.2.14, 10.1.3
trafficserver - addressed in versions 9.2.15-1.el8, 9.2.15-1.el9, 10.1.4-1.fc43, 10.1.4-1.fc44

External References

Related Security Bulletins