CVE-2026-37171

MEDIUMPre-NVD 5.95.9—
EchelonGraph scoreHIGH confidence

Score 5.9 from GitHub Security Advisory published 2026-08-07. a secondary CVSS source baseline 5.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
5.9EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.9Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
5.9
EG Score
5.9(high)
EG Risk
43(Track)
EG Risk 43/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity59% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

August 7, 2026

Last Modified

August 7, 2026

Advisory Details (1)

Auto-updated Aug 7, 2026
No patch confirmed yet.
generic

CVE-2026-37171 — Cross-Tenant Session Trust in SuperTokens Core | Whitenbaker

https://whitenbaker.com/supertokens-core-multitenant-advisory

Vendor Advisories for CVE-2026-37171(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 21× in last 7d / 43× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 10:20 UTCEG score recompute
  3. 2026-08-20 10:20 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 10:59 UTCEG score recompute
  6. 2026-08-19 10:59 UTCGHSA enrichment
  7. 2026-08-18 13:48 UTCEPSS rescore
  8. 2026-08-18 11:38 UTCEG score recompute
  9. 2026-08-18 11:38 UTCGHSA enrichment
  10. 2026-08-17 13:47 UTCEPSS rescore
  11. 2026-08-17 12:16 UTCEG score recompute
  12. 2026-08-17 12:16 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 12:55 UTCEG score recompute
  15. 2026-08-16 12:55 UTCGHSA enrichment
  16. 2026-08-16 02:14 UTCEPSS rescore
  17. 2026-08-15 13:34 UTCEG score recompute
  18. 2026-08-15 13:34 UTCGHSA enrichment
  19. 2026-08-15 01:30 UTCEPSS rescore
  20. 2026-08-14 14:07 UTCEG score recompute
  21. 2026-08-14 14:07 UTCGHSA enrichment
  22. 2026-08-13 22:00 UTCEPSS rescore
  23. 2026-08-13 14:46 UTCGHSA enrichment
  24. 2026-08-12 15:25 UTCEG score recompute
  25. 2026-08-12 15:25 UTCGHSA enrichment
Show 18 more
  1. 2026-08-12 13:51 UTCEPSS rescore
  2. 2026-08-11 15:57 UTCEG score recompute
  3. 2026-08-11 15:57 UTCGHSA enrichment
  4. 2026-08-11 00:00 UTCEPSS rescore
  5. 2026-08-10 16:36 UTCGHSA enrichment
  6. 2026-08-09 17:09 UTCEG score recompute
  7. 2026-08-09 17:09 UTCGHSA enrichment
  8. 2026-08-09 13:46 UTCEPSS rescore
  9. 2026-08-08 17:48 UTCEG score recompute
  10. 2026-08-08 17:48 UTCGHSA enrichment
  11. 2026-08-08 16:37 UTCEPSS rescore
  12. 2026-08-07 18:27 UTCEG score recompute
  13. 2026-08-07 18:27 UTCGHSA enrichment
  14. 2026-08-07 17:47 UTCEG score recompute
  15. 2026-08-07 17:47 UTCGHSA enrichment
  16. 2026-08-07 14:26 UTCEG score recompute
  17. 2026-08-07 14:13 UTCEG score recompute
  18. 2026-08-07 14:12 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-37171?
CVE-2026-37171 is a medium vulnerability published on August 7, 2026. 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.
When was CVE-2026-37171 disclosed?
CVE-2026-37171 was first published in the National Vulnerability Database on August 7, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-37171 actively exploited?
CVE-2026-37171 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 94.3% of all scored CVEs.
What is the CVSS score of CVE-2026-37171?
CVE-2026-37171 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2026-37171?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-37171, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-37171

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