CVE-2026-67332

MEDIUMPre-NVD 6.46.4—
EchelonGraph scoreHIGH confidence

Score 6.4 from GitHub Security Advisory published 2026-08-01. a secondary CVSS source baseline 6.4; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
6.4EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.4Exploit: None knownExposed: 0

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

@better-auth/oauth-provider before 1.7.0-beta.4 fails to bind access-token audience to the authorization grant, allowing clients to request tokens for unrelated resources. Attackers can complete an OAuth flow and obtain access tokens whose audience targets resource servers the authorization never covered, bypassing intended authorization boundaries.

CVSS v3
6.4
EG Score
6.4(high)
EG Risk
29(Track)
EG Risk 29/100SSVC: 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
Severity64% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

August 1, 2026

Last Modified

August 3, 2026

Advisory Details (2)

Auto-updated Aug 1, 2026
Patch available. Sources: github.
generic

@better-auth/oauth-provider before 1.7.0-beta.4 Authorization Bypass | Advisories | VulnCheck

https://www.vulncheck.com/advisories/better-auth-oauth-provider-before-beta-4-authorization-bypass
github Patch Available

@better-auth/oauth-provider: access-token audience (resource) not bound to the authorization grant (RFC 8707) · Advisory · better-auth/better-auth · GitHub

https://github.com/better-auth/better-auth/security/advisories/GHSA-p2fr-6hmx-4528

Vendor Advisories for CVE-2026-67332(1)

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

Affected Packages

(1 across 1 ecosystem)
npm(1)
PackageVulnerable rangeFixed inDependents
@better-auth/oauth-provider—1.7.0-beta.4—

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 20× in last 7d / 59× 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 22:56 UTCEPSS rescore
  2. 2026-08-20 12:29 UTCEG score recompute
  3. 2026-08-20 12:29 UTCGHSA enrichment
  4. 2026-08-19 17:04 UTCEPSS rescore
  5. 2026-08-19 12:54 UTCEG score recompute
  6. 2026-08-19 12:54 UTCGHSA enrichment
  7. 2026-08-18 13:48 UTCEPSS rescore
  8. 2026-08-18 13:19 UTCEG score recompute
  9. 2026-08-18 13:18 UTCGHSA enrichment
  10. 2026-08-17 13:47 UTCEPSS rescore
  11. 2026-08-17 13:43 UTCEG score recompute
  12. 2026-08-17 13:43 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 14:08 UTCEG score recompute
  15. 2026-08-16 14:08 UTCGHSA enrichment
  16. 2026-08-15 14:33 UTCEG score recompute
  17. 2026-08-15 14:33 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-14 14:57 UTCEG score recompute
  20. 2026-08-14 14:57 UTCGHSA enrichment
  21. 2026-08-13 22:00 UTCEPSS rescore
  22. 2026-08-13 15:22 UTCGHSA enrichment
  23. 2026-08-12 15:47 UTCEG score recompute
  24. 2026-08-12 15:47 UTCGHSA enrichment
  25. 2026-08-12 13:51 UTCEPSS rescore
Show 34 more
  1. 2026-08-11 16:12 UTCEG score recompute
  2. 2026-08-11 16:12 UTCGHSA enrichment
  3. 2026-08-11 00:00 UTCEPSS rescore
  4. 2026-08-10 16:37 UTCGHSA enrichment
  5. 2026-08-09 16:51 UTCEG score recompute
  6. 2026-08-09 16:51 UTCGHSA enrichment
  7. 2026-08-09 13:47 UTCEPSS rescore
  8. 2026-08-08 17:16 UTCEG score recompute
  9. 2026-08-08 17:16 UTCGHSA enrichment
  10. 2026-08-08 16:37 UTCEPSS rescore
  11. 2026-08-07 17:40 UTCEG score recompute
  12. 2026-08-07 17:40 UTCGHSA enrichment
  13. 2026-08-06 18:04 UTCEG score recompute
  14. 2026-08-06 18:04 UTCGHSA enrichment
  15. 2026-08-06 13:47 UTCEPSS rescore
  16. 2026-08-05 19:17 UTCEPSS rescore
  17. 2026-08-05 19:17 UTCEPSS rescore
  18. 2026-08-05 18:29 UTCGHSA enrichment
  19. 2026-08-04 18:54 UTCEG score recompute
  20. 2026-08-04 18:54 UTCGHSA enrichment
  21. 2026-08-04 15:10 UTCEPSS rescore
  22. 2026-08-04 10:39 UTCEPSS rescore
  23. 2026-08-03 19:19 UTCEG score recompute
  24. 2026-08-03 19:19 UTCGHSA enrichment
  25. 2026-08-03 19:05 UTCEG score recompute
  26. 2026-08-03 19:05 UTCGHSA enrichment
  27. 2026-08-03 12:35 UTCEG score recompute
  28. 2026-08-03 12:35 UTCGHSA enrichment
  29. 2026-08-03 10:36 UTCEPSS rescore
  30. 2026-08-02 12:54 UTCEG score recompute
  31. 2026-08-02 12:54 UTCGHSA enrichment
  32. 2026-08-01 13:19 UTCEG score recompute
  33. 2026-08-01 12:43 UTCEG score recompute
  34. 2026-08-01 12:42 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-67332?
CVE-2026-67332 is a medium vulnerability published on August 1, 2026. @better-auth/oauth-provider before 1.7.0-beta.4 fails to bind access-token audience to the authorization grant, allowing clients to request tokens for unrelated resources. Attackers can complete an OAuth flow and obtain access tokens whose audience targets resource servers the authorization never…
When was CVE-2026-67332 disclosed?
CVE-2026-67332 was first published in the National Vulnerability Database on August 1, 2026, with the most recent update on August 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-67332 actively exploited?
CVE-2026-67332 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 94.1% of all scored CVEs.
What is the CVSS score of CVE-2026-67332?
CVE-2026-67332 has a CVSS v3 base score of 6.4 (NVD).
How do I remediate CVE-2026-67332?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-67332, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-67332

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