CVE-2025-65114

Apache Traffic Server: Malformed chunked message body allows request smuggling

Published Apr 2, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
Apache Traffic Server allows request smuggling if chunked messages are malformed. 

This issue affects Apache Traffic Server: from 9.0.0 through 9.2.12, from 10.0.0 through 10.1.1.

Users are recommended to upgrade to version 9.2.13 or 10.1.2, which fix the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-6199-1 trafficserver security update
History
Type Values Removed Values Added
CPEs cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*
Type Values Removed Values Added
First Time appeared Apache
Apache traffic Server
Vendors & Products Apache
Apache traffic Server
Type Values Removed Values Added
Description Apache Traffic Server allows request smuggling if chunked messages are malformed.  This issue affects Apache Traffic Server: from 9.0.0 through 9.2.12, from 10.0.0 through 10.1.1. Users are recommended to upgrade to version 9.2.13 or 10.1.2, which fix the issue.
Title Apache Traffic Server: Malformed chunked message body allows request smuggling
Weaknesses CWE-444
References
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Apr 2, 2026, 6:10 PM
Reserved
Nov 18, 2025, 12:11 AM
Status
Analyzed
Published
Apr 2, 2026, 5:16 PM
Modified
Jul 24, 2026, 9:10 PM