CVE-2026-37171 json
A lack of tenant separation in SuperTokens Inc.
published 2026-08-07 3 mo ago modified 2026-11-09 56 min ago also EUVD-2026-54490
- cvss
- 5.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 16%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- whitenbaker.com https://whitenbaker.com/supertokens-core-multitenant-advisory/ referenced PoC, tagged "exploit" by a source, unverified
- whitenbaker.com https://whitenbaker.com/supertokens-core-multitenant-advisory referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 5.9 | CVSS:3.1/AC:H/AV:N/A:N/C:H/I:L/PR:L/S:U/UI:N |
| CNA | 3.1 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N |
| NVD | 3.1 | 9.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N |
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
whitenbaker.com
/supertokens-core-multitenant-advisory/
exploit, third-party-advisory
-
whitenbaker.com
/supertokens-core-multitenant-advisory
exploit, third-party-advisory
-
openwall.com
/lists/oss-security/2026/09/09/4
mailing-list, third-party-advisory
Sources
- CVE List CVE-2026-37171
- NVD CVE-2026-37171
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