CVE-2026-37171

EUVD-2026-54490
A lack of tenant separation in SuperTokens Inc. SuperTokens Core v6.0.0 to v11.4.0 allows an authenticated party in one tenant to access sessions, data, and endpoints of another tenant.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.9 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 16.93%
Affected Products (NVD)
VendorProductVersion
supertokenssupertokens
6.0.0 ≤
𝑥
≤ 11.4.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://whitenbaker.com/supertokens-core-multitenant-advisory
http://www.openwall.com/lists/oss-security/2026/09/09/4
https://whitenbaker.com/supertokens-core-multitenant-advisory/