CVE-2026-15630

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreMEDIUM confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-23. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
9.9EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.9Exploit: Elevated riskExposed: 0

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

A non-global organization admin in one tenant can bypass tenant boundaries to delete, create, or modify resources in any other tenant by exploiting a mismatch between authorization (based on ?id=) and action (based on request body).

CVSS v3
9.9
EG Score
9.9(medium)
EG Risk
61(Track*)
EG Risk 61/100SSVC: 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
Severity99% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

July 23, 2026

Last Modified

September 11, 2026

Advisory Details (1)

Auto-updated Sep 11, 2026
No patch confirmed yet. Sources: cert.
cert

VU#889462 - Casdoor authentication server is vulnerable to authorization bypass

https://www.kb.cert.org/vuls/id/889462

Vendor Advisories for CVE-2026-15630(1)

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

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 36× in last 7d / 160× 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.

Showing the most recent 100 of 336 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-15630?
CVE-2026-15630 is a critical vulnerability published on July 23, 2026. A non-global organization admin in one tenant can bypass tenant boundaries to delete, create, or modify resources in any other tenant by exploiting a mismatch between authorization (based on ?id=) and action (based on request body).
When was CVE-2026-15630 disclosed?
CVE-2026-15630 was first published in the National Vulnerability Database on July 23, 2026, with the most recent update on September 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15630 actively exploited?
CVE-2026-15630 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 72.7% of all scored CVEs.
What is the CVSS score of CVE-2026-15630?
CVE-2026-15630 has a CVSS v3.1 base score of 9.9 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-15630?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15630, 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

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