CVE-2026-65325

Apache Traffic Server: HTTP/2 multiplexed origin sessions are reused without certificate re-verification

MEDIUM
4.8
CVSS Score
Published: July 29, 2026 at 08:23 AM UTC
Updated: October 23, 2026 at 11:10 PM UTC
1 product affected across 1 vendorTraffic Server

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Severity
MEDIUM4.8
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Apache Traffic Server reuses multiplexed HTTP/2 origin connections without verifying the server certificate covers the new request hostname. This issue affects Apache Traffic Server: 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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

10.0.0 ≤ v < 10.1.49.0.0 ≤ v < 9.2.1510.0.09.0.0
Affected range stops below 10.1.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.2.15, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (1)

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.8MEDIUMapache
Attack Vector
NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-295

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