Certificate Generation Flaw in Apache Traffic Server Plugin Affecting Multiple Versions
CVE-2026-58162

8.4HIGH

Key Information:

Vendor

Apache
Status
Apache Traffic Server
Vendor
CVE Published:
29 July 2026

What is CVE-2026-58162?

A vulnerability in the Apache Traffic Server's certifier plugin allows attackers to generate certificates influenced by client-supplied Server Name Indication (SNI). This oversight can lead to unauthorized access and potential security breaches. Users are strongly urged to upgrade to versions 9.2.15 or 10.1.4 to mitigate this issue.

Affected Version(s)

Apache Traffic Server 8.0.0 <= 8.1.9

Apache Traffic Server 9.0.0 <= 9.2.14

Apache Traffic Server 10.0.0 <= 10.1.3

References

https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnoky...
vendor-advisory

CVSS V4

Score:
8.4
Severity:
HIGH
Confidentiality:
Low
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Omkhar Arasaratnam
.