CVE-2026-58178: CWE-674 Uncontrolled Recursion in Apache Software Foundation Apache Traffic Server
The Apache Traffic Server ESI plugin can recurse without bound and fetch attacker-controlled URLs. 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
CVE-2026-58178 is an uncontrolled recursion vulnerability in the Apache Traffic Server ESI plugin. The plugin can recurse indefinitely when processing URLs, potentially fetching attacker-controlled URLs repeatedly. This leads to denial of service conditions due to resource exhaustion. The vulnerability affects Apache Traffic Server versions from 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The Apache Software Foundation recommends upgrading to versions 9.2.15 or 10.1.4, which include fixes for this issue.
Potential Impact
The vulnerability allows an attacker to cause a denial of service by triggering uncontrolled recursion in the ESI plugin, leading to resource exhaustion. There is no impact on confidentiality or integrity reported. The CVSS score is 7.5 (high), reflecting the potential for service disruption without requiring privileges or user interaction.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4 or later, where this vulnerability is fixed. No other mitigations or temporary workarounds are indicated in the available data.
CVE-2026-58178: CWE-674 Uncontrolled Recursion in Apache Software Foundation Apache Traffic Server
Description
The Apache Traffic Server ESI plugin can recurse without bound and fetch attacker-controlled URLs. 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 7.5high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-58178 is an uncontrolled recursion vulnerability in the Apache Traffic Server ESI plugin. The plugin can recurse indefinitely when processing URLs, potentially fetching attacker-controlled URLs repeatedly. This leads to denial of service conditions due to resource exhaustion. The vulnerability affects Apache Traffic Server versions from 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3. The Apache Software Foundation recommends upgrading to versions 9.2.15 or 10.1.4, which include fixes for this issue.
Potential Impact
The vulnerability allows an attacker to cause a denial of service by triggering uncontrolled recursion in the ESI plugin, leading to resource exhaustion. There is no impact on confidentiality or integrity reported. The CVSS score is 7.5 (high), reflecting the potential for service disruption without requiring privileges or user interaction.
Mitigation Recommendations
Users should upgrade Apache Traffic Server to version 9.2.15 or 10.1.4 or later, where this vulnerability is fixed. No other mitigations or temporary workarounds are indicated in the available data.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- apache
- Date Reserved
- 2026-06-29T16:24:49.430Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a69c9f39c2644c7f8487e7c
Added to database: 07/29/2026, 09:37:55 UTC
Last enriched: 07/29/2026, 10:24:36 UTC
Last updated: 07/30/2026, 00:21:16 UTC
Views: 10
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