CVE-2026-122308
Kyverno before 1.19.2 Label Spoofing via Generation Handler processRequest
Kyverno before 1.19.2 contains an authorization bypass vulnerability in the Generation Handler that allows users with create/update permissions to trigger synchronized generate policies by spoofing internal generate.kyverno.io labels. Attackers can label a ConfigMap as managed-by kyverno with crafted policy, rule, and trigger labels to clone sensitive Secrets from restricted namespaces into their own namespace.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| kyverno kyverno github.com/kyverno/kyverno
golang |
≥ 0; < 1.19.2 (affected, semver) 1.19.2 (unaffected, semver) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 8.4 high |
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/SA:N | CNA: VulnCheck |
| 3.1 / 8.5 high |
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N | CNA: VulnCheck |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/kyverno/kyverno/security/advisories/GHSA-hg5v-hwm3-956rCNA: VulnCheck · vendor-advisory
- https://www.vulncheck.com/advisories/kyverno-before-1.19.2-label-spoofing-via-generation-handler-processrequestCNA: VulnCheck · third-party-advisory
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