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.
Metrics
Affected Vendors & Products
References
History
Tue, 01 Sep 2026 22:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Tue, 01 Sep 2026 11:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | 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. | |
| Title | Kyverno before 1.18.0 Server-Side Request Forgery via apiCall | |
| First Time appeared |
Kyverno
Kyverno kyverno |
|
| Weaknesses | CWE-918 | |
| CPEs | cpe:2.3:a:kyverno:kyverno:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Kyverno
Kyverno kyverno |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-09-01T11:33:59.097Z
Updated: 2026-09-01T14:56:10.945Z
Reserved: 2026-09-01T10:51:59.729Z
Link: CVE-2026-84196
Updated: 2026-09-01T14:14:42.087Z
Status : Received
Published: 2026-09-01T12:17:49.270
Modified: 2026-09-01T15:17:43.613
Link: CVE-2026-84196
No data.