Vulnerability Details CVE-2026-57834
Apache Traffic Server allows request smuggling if chunked messages are malformed.
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 18.0%
CVSS Severity
CVSS v3 Score 10.0
Products affected by CVE-2026-57834
-
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