High (8.6). EPSS 1.2% chance of exploitation in the next 30 days. Fixed in github.com/kiali/kiali 1.15.1.
An insufficient JWT validation vulnerability was found in Kiali versions 0.4.0 to 1.15.0 and was fixed in Kiali version 1.15.1, wherein a remote attacker could abuse this flaw by stealing a valid JWT cookie and using that to spoof a user session, possibly gaining privileges to view and alter the Istio configuration.
Severity
CVSS 3.1
8.6 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
EPSS
1.2% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)