Vulnerability Details CVE-2026-58157
Apache Traffic Server can reuse server sessions and tunnels improperly, exposing data across client connections.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 26.6%
CVSS Severity
CVSS v3 Score 8.7
Products affected by CVE-2026-58157
-
cpe:2.3:a:apache:traffic_server:10.0.0
-
cpe:2.3:a:apache:traffic_server:10.0.1
-
cpe:2.3:a:apache:traffic_server:10.0.2
-
cpe:2.3:a:apache:traffic_server:10.0.3
-
cpe:2.3:a:apache:traffic_server:10.0.4
-
cpe:2.3:a:apache:traffic_server:10.0.5
-
cpe:2.3:a:apache:traffic_server:10.0.6
-
cpe:2.3:a:apache:traffic_server:10.1.0
-
cpe:2.3:a:apache:traffic_server:10.1.1
-
cpe:2.3:a:apache:traffic_server:10.1.2
-
cpe:2.3:a:apache:traffic_server:10.1.3
-
cpe:2.3:a:apache:traffic_server:8.0.0
-
cpe:2.3:a:apache:traffic_server:8.0.1
-
cpe:2.3:a:apache:traffic_server:8.0.2
-
cpe:2.3:a:apache:traffic_server:8.0.3
-
cpe:2.3:a:apache:traffic_server:8.0.4
-
cpe:2.3:a:apache:traffic_server:8.0.5
-
cpe:2.3:a:apache:traffic_server:8.0.6
-
cpe:2.3:a:apache:traffic_server:8.0.7
-
cpe:2.3:a:apache:traffic_server:8.0.8
-
cpe:2.3:a:apache:traffic_server:8.1.0
-
cpe:2.3:a:apache:traffic_server:8.1.1
-
cpe:2.3:a:apache:traffic_server:8.1.2
-
cpe:2.3:a:apache:traffic_server:8.1.3
-
cpe:2.3:a:apache:traffic_server:8.1.4
-
cpe:2.3:a:apache:traffic_server:8.1.5
-
cpe:2.3:a:apache:traffic_server:8.1.6
-
cpe:2.3:a:apache:traffic_server:8.1.7
-
cpe:2.3:a:apache:traffic_server:8.1.8
-
cpe:2.3:a:apache:traffic_server:8.1.9