Authentication Bypass by Spoofing in Apache Traffic Server - CVE-2026-58162

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU144770

Authentication Bypass by Spoofing in Apache Traffic Server - CVE-2026-58162

Published: August 24, 2026


Vulnerability identifier: #VU144770
CSH Severity: High
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-58162
CWE-ID: CWE-290
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to spoof trusted certificates.

The vulnerability exists due to improper validation of client-controlled input in plugin: certifier when generating certificates from client SNI. A remote attacker can provide a crafted SNI value to spoof trusted certificates.


Affected software

Apache Traffic Server
Fedora
trafficserver

How to mitigate CVE-2026-58162

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