CVE-2026-26240

CRITICALNVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory published 2026-06-10. NVD baseline CVSS 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this week
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.1Exploit: NoneExposed: 0

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

A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes.

We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5243 and later

CVSS v3
9.1
EG Score
9.1(high)
EPSS
23.7%
KEV
Not listed

Published

June 10, 2026

Last Modified

June 17, 2026

References (1)

Vendor Advisories for CVE-2026-26240(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 63× in last 7d / 278× 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 278 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-26240?
CVE-2026-26240 is a critical vulnerability published on June 10, 2026. A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5243 and later
When was CVE-2026-26240 disclosed?
CVE-2026-26240 was first published in the National Vulnerability Database on June 10, 2026, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-26240 actively exploited?
CVE-2026-26240 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 23.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-26240?
CVE-2026-26240 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2026-26240?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-26240, 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-2026-26240

Explore →

Is Your Infrastructure Affected by CVE-2026-26240?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs