CVE-2026-58178: CWE-674 Uncontrolled Recursion in Apache Software Foundation Apache Traffic Server
CVE-2026-58178 is a high severity vulnerability in the Apache Traffic Server ESI plugin that allows uncontrolled recursion, enabling the server to fetch attacker-controlled URLs repeatedly. This affects Apache Traffic Server versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. Upgrading to versions 9.2.15 or 10.1.4 resolves the issue.
AI Analysis
Technical Summary
The Apache Traffic Server ESI plugin contains an uncontrolled recursion vulnerability (CWE-674) that can cause the server to recursively fetch URLs controlled by an attacker without bound. This flaw affects multiple version ranges of Apache Traffic Server: 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges or user interaction required, and impacts availability. The issue is fixed in Apache Traffic Server versions 9.2.15 and 10.1.4.
Potential Impact
Successful exploitation leads to high impact on availability due to uncontrolled recursion causing resource exhaustion or denial of service. There is no direct impact on confidentiality or integrity reported.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4 or later to remediate this vulnerability. Patch status is confirmed by the vendor's recommendation to upgrade to these fixed versions.
CVE-2026-58178: CWE-674 Uncontrolled Recursion in Apache Software Foundation Apache Traffic Server
Description
CVE-2026-58178 is a high severity vulnerability in the Apache Traffic Server ESI plugin that allows uncontrolled recursion, enabling the server to fetch attacker-controlled URLs repeatedly. This affects Apache Traffic Server versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. Upgrading to versions 9.2.15 or 10.1.4 resolves the issue.
CVSS v3.1
Score 7.5high
Affected software
Apache Software Foundation
Apache Traffic Server
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Apache Traffic Server ESI plugin contains an uncontrolled recursion vulnerability (CWE-674) that can cause the server to recursively fetch URLs controlled by an attacker without bound. This flaw affects multiple version ranges of Apache Traffic Server: 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The vulnerability has a CVSS 3.1 base score of 7.5, indicating high severity, with network attack vector, low attack complexity, no privileges or user interaction required, and impacts availability. The issue is fixed in Apache Traffic Server versions 9.2.15 and 10.1.4.
Potential Impact
Successful exploitation leads to high impact on availability due to uncontrolled recursion causing resource exhaustion or denial of service. There is no direct impact on confidentiality or integrity reported.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4 or later to remediate this vulnerability. Patch status is confirmed by the vendor's recommendation to upgrade to these fixed versions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-29T16:24:49.430Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a69c9f39c2644c7f8487e7c
Added to database: 07/29/2026, 09:37:55 UTC
Last enriched: 08/05/2026, 15:12:47 UTC
Last updated: 09/12/2026, 22:01:35 UTC
Views: 50
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