Vulnerability DatabaseCVE-2026-58159
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CVE-2026-58159
Published:July 29, 2026
Updated:August 05, 2026
Apache Traffic Server can bypass IP access controls on UDS listeners and through ACL matching errors. 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.
Affected Packages
https://github.com/apache/trafficserver.git (GITHUB):
Affected version(s) >=9.0.0 <9.2.15
Fix Suggestion:
Update to version 9.2.15
https://github.com/apache/trafficserver.git (GITHUB):
Affected version(s) >=10.0.0 <10.1.4
Fix Suggestion:
Update to version 10.1.4
Related Resources (3)
https://nvd.nist.gov/vuln/detail/CVE-2026-58159
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/58xxx/CVE-2026-58159.json
https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d
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CVSS v4
Base Score:
7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
LOW
Weakness Type (CWE)
Incorrect Authorization
CWE-863
EPSS
Base Score:
0.53