CVE-2026-65325: CWE-295 Improper Certificate Validation in Apache Software Foundation Apache Traffic Server
Apache Traffic Server versions 9.0.0 through 9.2.14 and 10.0.0 through 10.1.3 improperly reuse multiplexed HTTP/2 origin connections without verifying that the server certificate matches the new request hostname. This vulnerability relates to improper certificate validation (CWE-295). Upgrading to versions 9.2.15 or 10.1.4 addresses the issue.
AI Analysis
Technical Summary
The vulnerability in Apache Traffic Server involves the reuse of multiplexed HTTP/2 origin connections without proper verification that the server certificate covers the hostname of the new request. This improper certificate validation (CWE-295) could allow an attacker to exploit the connection reuse mechanism. The affected versions are from 9.0.0 through 9.2.14 and 10.0.0 through 10.1.3. The vendor recommends upgrading to 9.2.15 or 10.1.4 where the issue is fixed.
Potential Impact
The vulnerability can lead to a partial compromise of the confidentiality and integrity of communications by allowing connections to be reused without proper hostname verification. According to the CVSS score of 4.8 (medium severity), the impact includes limited confidentiality and integrity loss without availability impact. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4, which contain fixes for this improper certificate validation vulnerability. No other mitigation or temporary workaround is indicated in the available data.
CVE-2026-65325: CWE-295 Improper Certificate Validation in Apache Software Foundation Apache Traffic Server
Description
Apache Traffic Server versions 9.0.0 through 9.2.14 and 10.0.0 through 10.1.3 improperly reuse multiplexed HTTP/2 origin connections without verifying that the server certificate matches the new request hostname. This vulnerability relates to improper certificate validation (CWE-295). Upgrading to versions 9.2.15 or 10.1.4 addresses the issue.
CVSS v3.1
Score 4.8medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in Apache Traffic Server involves the reuse of multiplexed HTTP/2 origin connections without proper verification that the server certificate covers the hostname of the new request. This improper certificate validation (CWE-295) could allow an attacker to exploit the connection reuse mechanism. The affected versions are from 9.0.0 through 9.2.14 and 10.0.0 through 10.1.3. The vendor recommends upgrading to 9.2.15 or 10.1.4 where the issue is fixed.
Potential Impact
The vulnerability can lead to a partial compromise of the confidentiality and integrity of communications by allowing connections to be reused without proper hostname verification. According to the CVSS score of 4.8 (medium severity), the impact includes limited confidentiality and integrity loss without availability impact. There are no known exploits in the wild at this time.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4, which contain fixes for this improper certificate validation vulnerability. No other mitigation or temporary workaround is indicated in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-07-21T20:59:59.103Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a69bbd69c2644c7f835ad38
Added to database: 07/29/2026, 08:37:42 UTC
Last enriched: 07/29/2026, 10:09:23 UTC
Last updated: 07/29/2026, 10:09:23 UTC
Views: 5
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