What’s Vulnerable › Vulnerabilities

CVE-2026-37171

• Severity: critical (CVSS 9.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-08-07 · updated 2026-10-30
• Weakness: CWE-863

Description

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.

Affected products

• Supertokens: from 6.0.0 through 11.4.0

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/

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