Memory-Safety and Limit-Bypass Vulnerabilities in Apache Traffic Server Plugins
CVE-2026-58188

8.4HIGH

Key Information:

Vendor

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

What is CVE-2026-58188?

Several experimental plugins for Apache Traffic Server have been identified with issues related to memory-safety and limit-bypass errors. These vulnerabilities can potentially allow unauthorized access and manipulation, putting network security at risk. Users are advised to upgrade to Apache Traffic Server version 9.2.15 or 10.1.4, which address these vulnerabilities and enhance overall safety.

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:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Yon Harlicaj
Apache Community
Omkhar Arasaratnam
.