CVE-2026-53514

HIGHPre-NVD 7.77.7
EchelonGraph scoreMEDIUM confidence

“—” beside the score: it is equal to the CVSS score beside it.

This high-severity CVE scores 7.7 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.2% (9th percentile of EPSS-scored CVEs). No GitHub Security Advisory CVSS is on record for this CVE.

Triggered by: Headline CVSS from a secondary CVSS source
Sources: EPSS, a secondary CVSS source
7.7EG
EchelonGraph verdictPlan a fixRemediate within your standard update timelines (the SSVC decision on this page).
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 7.7Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

Better Auth is an authentication and authorization library for TypeScript. Prior to 1.6.11, and in 1.6.14 and later when invitation IDs can be obtained outside the invited mailbox and requireEmailVerificationOnInvitation: true is not enabled, the organization plugin's acceptInvitation, rejectInvitation, getInvitation, and listUserInvitations recipient endpoints use session.user.email and an invitation ID without sufficient verified-email ownership proof, allowing a user with an unverified session for the invited email address to accept an organization invitation after obtaining the invitation ID. This issue is fixed for the original default behavior in version 1.6.11, while 1.6.14 restored compatibility for built-in opaque invitation IDs and leaves affected configurations requiring secure options.

CVSS v3
7.7
EG Score
7.7HIGHmedium confidence
EG Risk
35
EG Risk 35/100

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 (value × EchelonGraph’s weight)
Severity77% × 45%
The EG Score, 7.7 of 10.
Exploitation0.2% × 40%
FIRST EPSS: the 30-day exploitation probability when EchelonGraph scored this CVE.
Automatability0% × 15%
CISA's SSVC Automatable value: no (Vulnrichment).
SSVC (CISA's decision table, applied by EchelonGraph): Track at low or medium mission impact; Track* at high (mission-essential systems).
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE.
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.2%
EPSS %ILE
9th
KEV
Not listed

SSVC (CISA's decision table, applied by EchelonGraph)Track at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). All three are CISA's SSVC values (Vulnrichment). EchelonGraph applied CISA's decision table to them; CISA publishes SSVC inputs and the table, not a decision for each CVE. Mission impact is CISA's Mission & Well-being decision point, and only you can judge it. CISA's table makes it high when Mission Prevalence is Essential — the vulnerable component "directly provides capabilities that constitute at least one MEF for at least one entity" (MEF: mission essential function) — or when Public Well-Being Impact is Irreversible: "multiple fatalities are likely", the cyber-physical system "is likely lost or destroyed", "extreme or serious externalities" are imposed on other parties, or social systems such as elections or the financial grid "are destabilized and potentially collapse". CISA's decision table

BOD 26-04 (CISA's remediation timeline, Table 1)14 days if the affected system is publicly exposed; Fix on system upgrade if it is not.

In CISA KEV no (CISA's KEV catalog) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Whether your system is publicly exposed is yours to answer. BOD 26-04 binds US Federal Civilian Executive Branch agencies; for anyone else it is CISA's published timeline, a reference rather than an obligation. The directive · how EchelonGraph applies it

Published

July 7, 2026

Last Modified

July 21, 2026

Advisory Details (4)

Auto-updated Jul 15, 2026
Patch available. Sources: github_commit, github_pr, github_release, github.
GitHub advisoryMentions a patch (unverified)

Unauthorized invitation acceptance via unverified email match in organization plugin · Advisory · better-auth/better-auth · GitHub

https://github.com/better-auth/better-auth/security/advisories/GHSA-fmh4-wcc4-5jm3
GitHub release Patch Available

v1.6.11

Patch available: better-auth/better-auth v1.6.11

https://github.com/better-auth/better-auth/releases/tag/v1.6.11
GitHub pull request

fix(organization): default-on `requireEmailVerificationOnInvitation` & extend gate to get/list

Fix merged in better-auth/better-auth PR #9577 on 2026-05-12 — awaiting tagged release

https://github.com/better-auth/better-auth/pull/9577
GitHub commit

commit 23094a628f00 (better-auth/better-auth)

Fix landed in better-auth/better-auth commit 23094a628f00 — awaiting tagged release

https://github.com/better-auth/better-auth/commit/23094a628f007f801be6d26e5b15dc5fc6fc4eb8

Vendor Advisories for CVE-2026-53514(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 rangeFix by version rangeDependents
better-auth—
  • every version up to 1.6.11: fixed in 1.6.11
—

Weakness Classification(4)

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

Data Freshness Timeline

(refreshed 11× in last 7d / 31× in last 30d)

Each row is a time one of our pipelines fetched, updated or re-scored this CVE. 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. An arrow marks a change the record states ("CVSS v3 → 9.1"); EPSS and GHSA rows show the values recorded at that time, not what changed (EPSS values are rounded; hover one for the exact figures). Most recent first.

Showing the most recent 100 of 121 refreshes on record for this CVE.

A repeat, a row identical to one the same pipeline wrote less than 10 seconds earlier, is not a separate refresh and is not counted. None are among the latest 100 rows. The 21 oldest rows on record are not shown and were not checked, so the counts can still include repeats.

  1. 2026-10-14 16:33 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  2. 2026-10-13 16:34 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  3. 2026-10-12 15:57 UTCEG score recompute
  4. 2026-10-11 19:40 UTCEG score recompute
  5. 2026-10-11 16:55 UTCEG score recompute
  6. 2026-10-11 14:19 UTCEG score recompute
  7. 2026-10-11 13:49 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  8. 2026-10-10 20:00 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  9. 2026-10-09 20:07 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  10. 2026-10-08 17:12 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  11. 2026-10-07 23:48 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  12. 2026-10-06 15:18 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  13. 2026-10-05 17:43 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  14. 2026-10-04 23:22 UTCEPSS rescoreEPSS 0.2% · 8th percentile
  15. 2026-10-03 14:26 UTCEPSS rescoreEPSS 0.2% · 8th percentile
  16. 2026-10-02 17:56 UTCEPSS rescoreEPSS 0.2% · 8th percentile
  17. 2026-10-01 19:50 UTCEPSS rescoreEPSS 0.2% · 8th percentile
  18. 2026-09-30 15:03 UTCEPSS rescoreEPSS 0.2% · 8th percentile
  19. 2026-09-29 15:22 UTCEPSS rescoreEPSS 0.2% · 8th percentile
  20. 2026-09-28 13:51 UTCEPSS rescoreEPSS 0.2% · 8th percentile
  21. 2026-09-28 13:35 UTCEG score recompute
  22. 2026-09-27 13:48 UTCEPSS rescoreEPSS 0.2% · 8th percentile
  23. 2026-09-26 15:59 UTCEPSS rescoreEPSS 0.2% · 8th percentile
  24. 2026-09-24 14:04 UTCEPSS rescoreEPSS 0.2% · 8th percentile
  25. 2026-09-23 17:54 UTCEPSS rescoreEPSS 0.2% · 10th percentile
Show 75 more
  1. 2026-09-23 06:16 UTCEG score recompute
  2. 2026-09-20 20:16 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  3. 2026-09-18 19:28 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  4. 2026-09-18 05:48 UTCEG score recompute
  5. 2026-09-16 14:08 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  6. 2026-09-16 05:15 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  7. 2026-09-13 23:53 UTCEG score recompute
  8. 2026-09-13 16:47 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  9. 2026-09-13 08:29 UTCEG score recompute
  10. 2026-09-12 03:41 UTCEG score recompute
  11. 2026-09-11 14:53 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  12. 2026-09-10 09:35 UTCEPSS rescoreEPSS 0.2% · 10th percentile
  13. 2026-09-08 22:01 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  14. 2026-09-07 16:01 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  15. 2026-09-06 14:07 UTCEG score recompute
  16. 2026-09-06 13:47 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  17. 2026-09-05 22:53 UTCEG score recompute
  18. 2026-09-04 05:06 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  19. 2026-09-01 13:54 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  20. 2026-09-01 04:40 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  21. 2026-08-30 19:17 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  22. 2026-08-30 07:42 UTCEG score recompute
  23. 2026-08-30 01:22 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  24. 2026-08-28 21:41 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  25. 2026-08-27 21:55 UTCEG score recompute
  26. 2026-08-27 14:25 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  27. 2026-08-27 01:54 UTCEG score recompute
  28. 2026-08-26 14:46 UTCEPSS rescoreEPSS 0.2% · 9th percentile
  29. 2026-08-24 23:56 UTCEG score recompute
  30. 2026-08-24 12:37 UTCEG score recompute
  31. 2026-08-23 02:36 UTCEG score recompute
  32. 2026-08-23 00:19 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  33. 2026-08-22 03:57 UTCEG score recompute
  34. 2026-08-21 23:49 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  35. 2026-08-21 04:10 UTCEG score recompute
  36. 2026-08-20 22:55 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  37. 2026-08-20 02:11 UTCEG score recompute
  38. 2026-08-19 17:04 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  39. 2026-08-18 22:29 UTCEG score recompute
  40. 2026-08-18 13:48 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  41. 2026-08-17 23:14 UTCEG score recompute
  42. 2026-08-17 13:47 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  43. 2026-08-17 00:20 UTCEG score recompute
  44. 2026-08-16 14:56 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  45. 2026-08-16 13:01 UTCEG score recompute
  46. 2026-08-16 02:14 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  47. 2026-08-15 03:05 UTCEG score recompute
  48. 2026-08-15 01:30 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  49. 2026-08-14 04:28 UTCEG score recompute
  50. 2026-08-13 22:00 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  51. 2026-08-12 17:46 UTCEG score recompute
  52. 2026-08-12 13:51 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  53. 2026-08-11 19:08 UTCEG score recompute
  54. 2026-08-11 07:38 UTCEG score recompute
  55. 2026-08-11 00:00 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  56. 2026-08-09 21:43 UTCEG score recompute
  57. 2026-08-09 13:46 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  58. 2026-08-08 23:06 UTCEG score recompute
  59. 2026-08-08 16:37 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  60. 2026-08-08 00:29 UTCEG score recompute
  61. 2026-08-06 14:33 UTCEG score recompute
  62. 2026-08-06 13:47 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  63. 2026-08-06 03:14 UTCEG score recompute
  64. 2026-08-05 19:17 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  65. 2026-08-04 16:06 UTCEG score recompute
  66. 2026-08-04 15:10 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  67. 2026-08-04 10:39 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  68. 2026-08-03 17:29 UTCEG score recompute
  69. 2026-08-03 10:36 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  70. 2026-08-02 07:05 UTCEG score recompute
  71. 2026-08-02 02:27 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  72. 2026-08-01 08:27 UTCEG score recompute
  73. 2026-08-01 04:16 UTCEPSS rescoreEPSS 0.1% · 3rd percentile
  74. 2026-07-30 22:09 UTCEG score recompute
  75. 2026-07-30 16:28 UTCEPSS rescoreEPSS 0.1% · 3rd percentile

Related CVEs(same product + same CWE)

Frequently asked(5)

What is CVE-2026-53514?
CVE-2026-53514 is a high-severity vulnerability; its CVE record was published on July 7, 2026. Better Auth is an authentication and authorization library for TypeScript. Prior to 1.6.11, and in 1.6.14 and later when invitation IDs can be obtained outside the invited mailbox and requireEmailVerificationOnInvitation: true is not enabled, the organization plugin's acceptInvitation,…
When was the CVE record for CVE-2026-53514 published?
The CVE record for CVE-2026-53514 was published on July 7, 2026. That is the record's publication date; the vulnerability itself may have been made public earlier. EchelonGraph's copy of the record carries a last-modified date of July 21, 2026; the record at its source may have been updated since.
Is CVE-2026-53514 actively exploited?
CVE-2026-53514 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (9th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-53514?
CVE-2026-53514 has a CVSS base score of 7.7 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-53514?
A fix for CVE-2026-53514 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-53514 are linked in the Vendor Advisories panel on this page.

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