Session Management Issue in Apache Traffic Server
CVE-2026-58157

6.9MEDIUM

Key Information:

Vendor

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

What is CVE-2026-58157?

A session management issue in Apache Traffic Server allows for the improper reuse of server sessions and tunnels, leading to potential data exposure across client connections. This vulnerability affects multiple versions, necessitating an upgrade to later versions for a secure environment. Users should update to at least version 9.2.15 or 10.1.4 to mitigate the risk associated with 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:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Apache Community
Omkhar Arasaratnam
.