High (7.1). EPSS 0.2% chance of exploitation in the next 30 days.
Retool (self-hosted) before 3.196.0 allows Host header injection. When the BASE_DOMAIN environment variable is not set, the HTTP host header can be manipulated.
Severity
CVSS 3.1
7.1 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:L
EPSS
0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)