CVE-2026-84196
Kyverno before 1.18.0 Server-Side Request Forgery via apiCall
CVSS Score
7.7
EPSS Score
0.0%
EPSS Percentile
0th
Kyverno before 1.18.0 contains a server-side request forgery vulnerability in apiCall.service.url that allows authenticated users to send arbitrary HTTP requests by injecting user-controlled input through variable substitution. Attackers can target internal services, cloud metadata endpoints, and loopback addresses, with response data reflected in admission error messages enabling non-blind data exfiltration.
| CWE | CWE-918 |
| Vendor | kyverno |
| Product | kyverno |
| Published | Sep 1, 2026 |
| Last Updated | Sep 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None
Affected Versions
kyverno / kyverno
0 < 1.18.0
References
Credits
🔍 scumfrog