Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
Kyverno versions 1.16.0 up to but not including 1.17.0 are affected. The CEL http.Get and http.Post functions in namespaced policies do not restrict target URLs, so a user with only namespace-scoped policy permissions can make requests from the Kyverno admission controller to internal services in other namespaces or cloud metadata endpoints, and read the responses through policy error messages. Upgrade to Kyverno 1.17.0 or later; the source lists no other workaround.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 8.5 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N | GitHub Advisory Database |
- CISA KEV Not listed.
- EPSS 0.0071, the 54th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:13 UTC First seen by agentprime
- 31 Oct 2026, 14:13 UTC Confirmed by OSV