MEDIUMCVSS v3.1 6.2Vulnerability
CVE-2026-122309
Kyverno before 1.19.2 contains a denial of service vulnerability that allows namespace-scoped policy authors to exhaust CPU and memory by submitting CEL expressions evaluated without runtime cost limits. Attackers can create a NamespacedValidatingPolicy or NamespacedDeletingPolicy with nested map comprehensions over large ConfigMap fields to OOM-kill Kyverno pods and block cluster-wide admission.
Properties
- Severity
- MEDIUM
- Nvd fetched at
- 2026-11-05T05:51:13.658545+00:00
- Cvss severity
- MEDIUM
- Cvss score
- 6.2
- Retrieved at
- 2026-11-05T05:52:17+00:00
- Score
- 6.2
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-122309
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:N/A:H
- First seen by Signal
- 2026-11-05T05:47:49+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:N/I:N/A:H
- Published at
- 2026-11-05T03:17:23.170
- Last modified
- 2026-11-05T03:17:23.170
Related Entities (1)
HAS_WEAKNESS (1)
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