CVE-2026-50891

HIGHPre-NVD 8.18.1—
EchelonGraph scoreHIGH confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-06-15. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
8.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.1Exploit: NoneExposed: 0

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

Incorrect access control in the /admin/api/config component of Filestash v0.4.0 allows attackers to escalate privileges via sending a crafted request.

CVSS v3
8.1
EG Score
8.1(high)
EPSS
24.5%
KEV
Not listed

Published

June 15, 2026

Last Modified

June 16, 2026

Advisory Details (1)

Auto-updated Jun 16, 2026
No patch confirmed yet.
generic

Reference for CVE-2026-50891 · GitHub

https://gist.github.com/pyuysig/50dc365f54f95396bb67532f02b34bb0

Vendor Advisories for CVE-2026-50891(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 31× in last 7d / 103× 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 103 total refreshes for this CVE.

  1. 2026-07-07 00:37 UTCEG score recompute
  2. 2026-07-07 00:37 UTCGHSA enrichment
  3. 2026-07-06 16:27 UTCEPSS rescore
  4. 2026-07-06 16:27 UTCEPSS rescore
  5. 2026-07-06 02:23 UTCEPSS rescore
  6. 2026-07-05 23:48 UTCEG score recompute
  7. 2026-07-05 23:48 UTCGHSA enrichment
  8. 2026-07-05 11:18 UTCEG score recompute
  9. 2026-07-05 11:18 UTCGHSA enrichment
  10. 2026-07-05 02:30 UTCEPSS rescore
  11. 2026-07-04 22:44 UTCEG score recompute
  12. 2026-07-04 22:44 UTCGHSA enrichment
  13. 2026-07-04 10:13 UTCEG score recompute
  14. 2026-07-04 10:13 UTCGHSA enrichment
  15. 2026-07-04 06:31 UTCEPSS rescore
  16. 2026-07-03 19:55 UTCEG score recompute
  17. 2026-07-03 19:55 UTCGHSA enrichment
  18. 2026-07-03 07:25 UTCEG score recompute
  19. 2026-07-03 07:25 UTCGHSA enrichment
  20. 2026-07-02 18:42 UTCEG score recompute
  21. 2026-07-02 18:42 UTCGHSA enrichment
  22. 2026-07-02 06:10 UTCEG score recompute
  23. 2026-07-02 06:10 UTCGHSA enrichment
  24. 2026-07-01 17:40 UTCEG score recompute
  25. 2026-07-01 17:40 UTCGHSA enrichment
Show 75 more
  1. 2026-07-01 15:07 UTCEPSS rescore
  2. 2026-07-01 05:04 UTCEG score recompute
  3. 2026-07-01 05:04 UTCGHSA enrichment
  4. 2026-06-30 23:22 UTCEPSS rescore
  5. 2026-06-30 16:17 UTCEG score recompute
  6. 2026-06-30 16:17 UTCGHSA enrichment
  7. 2026-06-30 03:44 UTCEG score recompute
  8. 2026-06-30 03:44 UTCGHSA enrichment
  9. 2026-06-29 15:09 UTCEG score recompute
  10. 2026-06-29 15:09 UTCGHSA enrichment
  11. 2026-06-29 14:06 UTCEPSS rescore
  12. 2026-06-29 14:06 UTCEPSS rescore
  13. 2026-06-29 02:38 UTCEG score recompute
  14. 2026-06-29 02:38 UTCGHSA enrichment
  15. 2026-06-28 14:08 UTCEG score recompute
  16. 2026-06-28 14:08 UTCGHSA enrichment
  17. 2026-06-28 14:07 UTCEPSS rescore
  18. 2026-06-28 04:56 UTCEPSS rescore
  19. 2026-06-28 04:56 UTCEPSS rescore
  20. 2026-06-28 01:38 UTCEG score recompute
  21. 2026-06-28 01:38 UTCGHSA enrichment
  22. 2026-06-27 13:05 UTCEG score recompute
  23. 2026-06-27 13:05 UTCGHSA enrichment
  24. 2026-06-27 03:08 UTCEPSS rescore
  25. 2026-06-27 00:35 UTCEG score recompute
  26. 2026-06-27 00:35 UTCGHSA enrichment
  27. 2026-06-26 12:00 UTCEG score recompute
  28. 2026-06-26 12:00 UTCGHSA enrichment
  29. 2026-06-25 21:35 UTCEG score recompute
  30. 2026-06-25 21:35 UTCGHSA enrichment
  31. 2026-06-25 13:49 UTCEPSS rescore
  32. 2026-06-25 09:05 UTCEG score recompute
  33. 2026-06-25 09:05 UTCGHSA enrichment
  34. 2026-06-24 20:35 UTCEG score recompute
  35. 2026-06-24 20:35 UTCGHSA enrichment
  36. 2026-06-24 14:05 UTCEPSS rescore
  37. 2026-06-24 07:47 UTCEG score recompute
  38. 2026-06-24 07:47 UTCGHSA enrichment
  39. 2026-06-23 21:33 UTCEPSS rescore
  40. 2026-06-23 21:33 UTCEPSS rescore
  41. 2026-06-23 19:16 UTCEG score recompute
  42. 2026-06-23 19:16 UTCGHSA enrichment
  43. 2026-06-23 06:46 UTCEG score recompute
  44. 2026-06-23 06:46 UTCGHSA enrichment
  45. 2026-06-22 18:07 UTCEG score recompute
  46. 2026-06-22 18:07 UTCGHSA enrichment
  47. 2026-06-22 14:25 UTCEPSS rescore
  48. 2026-06-22 14:25 UTCEPSS rescore
  49. 2026-06-22 05:17 UTCEG score recompute
  50. 2026-06-22 05:17 UTCGHSA enrichment
  51. 2026-06-21 16:44 UTCEG score recompute
  52. 2026-06-21 16:44 UTCGHSA enrichment
  53. 2026-06-21 14:56 UTCEPSS rescore
  54. 2026-06-21 14:56 UTCEPSS rescore
  55. 2026-06-21 03:36 UTCEG score recompute
  56. 2026-06-21 03:35 UTCGHSA enrichment
  57. 2026-06-21 01:59 UTCEPSS rescore
  58. 2026-06-21 01:59 UTCEPSS rescore
  59. 2026-06-20 15:04 UTCEG score recompute
  60. 2026-06-20 15:03 UTCGHSA enrichment
  61. 2026-06-20 02:22 UTCEG score recompute
  62. 2026-06-20 02:21 UTCGHSA enrichment
  63. 2026-06-19 19:26 UTCEPSS rescore
  64. 2026-06-19 19:26 UTCEPSS rescore
  65. 2026-06-19 13:35 UTCEG score recompute
  66. 2026-06-19 13:35 UTCGHSA enrichment
  67. 2026-06-19 00:58 UTCEG score recompute
  68. 2026-06-19 00:57 UTCGHSA enrichment
  69. 2026-06-18 17:52 UTCEPSS rescore
  70. 2026-06-18 17:52 UTCEPSS rescore
  71. 2026-06-18 12:26 UTCEG score recompute▲ 8.10
  72. 2026-06-18 12:26 UTCGHSA enrichment
  73. 2026-06-17 17:53 UTCEPSS rescore
  74. 2026-06-16 18:19 UTCMITRE cvelistV5CVSS v3 → 8.1 · severity → HIGH
  75. 2026-06-16 17:53 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-50891?
CVE-2026-50891 is a high vulnerability published on June 15, 2026. Incorrect access control in the /admin/api/config component of Filestash v0.4.0 allows attackers to escalate privileges via sending a crafted request.
When was CVE-2026-50891 disclosed?
CVE-2026-50891 was first published in the National Vulnerability Database on June 15, 2026, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-50891 actively exploited?
CVE-2026-50891 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 24.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-50891?
CVE-2026-50891 has a CVSS v3.1 base score of 8.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-50891?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-50891, 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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