CVE-2026-58162: CWE-295 Improper Certificate Validation in Apache Software Foundation Apache Traffic Server
The Apache Traffic Server certifier plugin generates certificates based on attacker-controlled client SNI. 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.
AI Analysis
Technical Summary
Apache Traffic Server's certifier plugin improperly validates certificates by generating them based on client SNI values that can be controlled by an attacker. This vulnerability affects multiple version ranges: 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The vulnerability is identified as CWE-295 (Improper Certificate Validation) and has a CVSS 3.1 base score of 10.0, indicating critical severity with network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality, integrity, and availability. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4.
Potential Impact
Exploitation of this vulnerability allows an attacker to leverage the improper certificate validation to potentially impersonate legitimate services or intercept and manipulate traffic, resulting in loss of confidentiality, integrity, and availability of affected systems. The CVSS score of 10.0 reflects the critical nature and broad impact of this issue.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to versions 9.2.15 or 10.1.4, which contain fixes for this vulnerability. No other official remediation or temporary fixes are indicated. Patch status is confirmed by the vendor's recommendation to upgrade to these versions.
CVE-2026-58162: CWE-295 Improper Certificate Validation in Apache Software Foundation Apache Traffic Server
Description
The Apache Traffic Server certifier plugin generates certificates based on attacker-controlled client SNI. 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.
CVSS v3.1
Score 10.0critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Apache Traffic Server's certifier plugin improperly validates certificates by generating them based on client SNI values that can be controlled by an attacker. This vulnerability affects multiple version ranges: 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The vulnerability is identified as CWE-295 (Improper Certificate Validation) and has a CVSS 3.1 base score of 10.0, indicating critical severity with network attack vector, low attack complexity, no privileges or user interaction required, and impacts on confidentiality, integrity, and availability. The vendor recommends upgrading to fixed versions 9.2.15 or 10.1.4.
Potential Impact
Exploitation of this vulnerability allows an attacker to leverage the improper certificate validation to potentially impersonate legitimate services or intercept and manipulate traffic, resulting in loss of confidentiality, integrity, and availability of affected systems. The CVSS score of 10.0 reflects the critical nature and broad impact of this issue.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to versions 9.2.15 or 10.1.4, which contain fixes for this vulnerability. No other official remediation or temporary fixes are indicated. Patch status is confirmed by the vendor's recommendation to upgrade to these versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-29T15:51:05.609Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a69c9f39c2644c7f8487e6d
Added to database: 07/29/2026, 09:37:55 UTC
Last enriched: 07/29/2026, 10:25:31 UTC
Last updated: 07/29/2026, 22:50:43 UTC
Views: 10
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