# CVE-2026-122308: Kyverno before 1.19.2 Label Spoofing via Generation Handler processRequest

Status: published. Published: 2026-11-05. Updated: 2026-11-05.

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.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- kyverno / kyverno (github.com/kyverno/kyverno): ≥ 0; < 1.19.2 (affected, semver); 1.19.2 (unaffected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 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; source: CNA: VulnCheck

- CVSS 3.1: 8.5 (high); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-639

## 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-hwm3-956r (CNA: VulnCheck; vendor-advisory)

- https://www.vulncheck.com/advisories/kyverno-before-1.19.2-label-spoofing-via-generation-handler-processrequest (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-122308; retrieved 2026-11-05; source updated 2026-11-05

Revision: e960e1f6a3561ebfac247fda48d9ce3e8fe5695db6385551c7c0fb6eed919859

Canonical: https://y2.dev/cve/CVE-2026-122308

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- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

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