CVE-2026-58178
Apache Traffic Server: ESI plugin allows uncontrolled recursion and server-side request forgery
CVSS Score
7.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-674 |
| Vendor | apache software foundation |
| Product | apache traffic server |
| Published | Jul 29, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
Apache Software Foundation / Apache Traffic Server
8.0.0 ≤ 8.1.9 9.0.0 ≤ 9.2.14 10.0.0 ≤ 10.1.3
References
Credits
🔍 Apache Community