CRITICALCVSS v3.1 9.9Vulnerability
CVE-2026-122310
Kyverno from 1.19.1 before 1.19.2 validates a Policy's context.apiCall urlPath after cleaning it but executes the raw path, whose fragment or query the Kubernetes client discards. A namespace-scoped user who can create a Policy can hide ../ segments behind # or ? to reach cluster-scoped endpoints with Kyverno's ServiceAccount, gaining cluster admin.
Properties
- Severity
- CRITICAL
- Nvd fetched at
- 2026-11-05T05:51:13.658545+00:00
- Cvss severity
- CRITICAL
- Cvss score
- 9.9
- Retrieved at
- 2026-11-05T05:52:17+00:00
- Score
- 9.9
- Cvss version
- 3.1
- Last source
- NVD
- Cve id
- CVE-2026-122310
- Cvss vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- First seen by Signal
- 2026-11-05T05:47:49+00:00
- Vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- Published at
- 2026-11-05T03:17:23.337
- Last modified
- 2026-11-05T03:17:23.337
Related Entities (1)
HAS_WEAKNESS (1)
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