CVE-2026-100707
Kyverno before 1.19.1 contains a namespace isolation bypass in the apiCall context entry of…
- Risk score
- 54/100
- CVSS
- 7.7 v3.1
- Exploit chance (30 days)
- 0.5%
- Published
- 26 Sep 2026
Open in the live forecast Today's forecast
What to know
- What it is
- Kyverno before 1.19.1 contains a namespace isolation bypass in the apiCall context entry of namespaced Policy resources due to inconsistent path interpretation between validation and execution. A low-privilege tenant can use percent-encoded dot-segments in urlPath to bypass namespace checks and read resources from oth…
- Affected
- See advisory
- Fix
- Upgrade the product to 1.19.1 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.7 high
References
Original description
Kyverno before 1.19.1 contains a namespace isolation bypass in the apiCall context entry of namespaced Policy resources due to inconsistent path interpretation between validation and execution. A low-privilege tenant can use percent-encoded dot-segments in urlPath to bypass namespace checks and read resources from other namespaces using the Kyverno admission controller's ServiceAccount credentials.
Last activity 26 Sep 2026. Patch Forecast updates every hour.