SurrealDB versions before 2.1.0 contain a denial of service vulnerability in role conversion that allows privileged owner users to define users with nonexistent roles. Attackers can trigger an uncaught panic by signing in with a user assigned an invalid role, crashing the server.
https://www.vulncheck.com/advisories/surrealdb-before-denial-of-service-via-nonexistent-role
https://github.com/surrealdb/surrealdb/security/advisories/GHSA-jc55-246c-r88f
Published: 2026-07-18
Updated: 2026-07-18
Base Score: 6.1
Vector: CVSS2#AV:N/AC:L/Au:M/C:N/I:N/A:C
Severity: Medium
Base Score: 4.9
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Severity: Medium
Base Score: 6.9
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Severity: Medium