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CVE-2025-65114

Apache Traffic Server: Malformed chunked message body allows request smuggling

Published: Apr 2, 2026Updated: Apr 6, 2026 Sources: CVE List NVDCWE-444
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.4%
Top 66.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-444

Affected Products

traffic serverapache
On-premWeb App
Web & CMS Plugins
Apache Traffic ServerApache Software Foundation
On-premNetwork Device
Networking Infrastructure / load-balancer-proxy
apacheoss-projectUSWeb & CMS Pluginsaka apache http server, apache httpd
apache software foundationoss-projectUSWeb & CMS Pluginsaka apache foundation

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Collection
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References

https://lists.apache.org/thread/2s11roxlv1j8ph6q52rqo1klvl01n14q
lists.apache.org

Timeline

Published
Apr 2, 2026
Last Updated
Apr 6, 2026

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