CVE-2026-37171Public exploitNetwork attack vector

Cross-tenant data access via missing tenant separation

Published Aug 7, 2026 · Updated Aug 7, 2026

Incorrect authorization in SuperTokens Core 6.0.0 through 11.4.0 allows remote authenticated users to access other tenants' sessions and data. The published advisory identifies a failure to separate tenants but does not disclose the affected endpoint, code locus, or incorrect authorization operation. Exploitation requires authentication in one tenant and a multitenant deployment; consequences include cross-tenant data access and limited modification, with no reported service interruption.

CVSS severity5.9
Medium
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in SuperTokens Core 6.0.0 through 11.4.0 allows remote authenticated users to access other tenants' sessions and data. The published advisory identifies a failure to separate tenants but does not disclose the affected endpoint, code locus, or incorrect authorization operation. Exploitation requires authentication in one tenant and a multitenant deployment; consequences include cross-tenant data access and limited modification, with no reported service interruption.

The record

CVE
CVE-2026-37171
Published
Aug 7, 2026
Updated
Aug 7, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-863
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 7, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 7, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.9MITRECVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-863Incorrect Authorization

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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