CVE-2026-11839

CRITICALPre-NVD 9.99.9—
EchelonGraph scoreHIGH confidence

Score 9.9 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-11. the CNA's CVSS baseline 9.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:tr-cert, epss, ghsa
Trending — 3 sources updated this week
9.9
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.9Exploit: NoneExposed: 0

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

Unrestricted upload of file with dangerous type vulnerability in Başarsoft Information Technologies Inc. Rotaban allows Upload a Web Shell to a Web Server.

This issue affects Rotaban: from V2026.06.002 before V2026.06.003.

CVSS v3
9.9
EG Score
9.9(high)
EPSS
25.5%
KEV
Not listed

Published

June 11, 2026

Last Modified

June 17, 2026

Advisory Details (1)

Auto-updated Jul 4, 2026
No patch confirmed yet.
generic

T.C. Siber Güvenlik Başkanlığı

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0367

Vendor Advisories for CVE-2026-11839(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 66× in last 7d / 286× 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 286 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-11839?
CVE-2026-11839 is a critical vulnerability published on June 11, 2026. Unrestricted upload of file with dangerous type vulnerability in Başarsoft Information Technologies Inc. Rotaban allows Upload a Web Shell to a Web Server. This issue affects Rotaban: from V2026.06.002 before V2026.06.003.
When was CVE-2026-11839 disclosed?
CVE-2026-11839 was first published in the National Vulnerability Database on June 11, 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-2026-11839 actively exploited?
CVE-2026-11839 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 25.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-11839?
CVE-2026-11839 has a CVSS v4.0 base score of 9.9 (CNA self-assessment; NVD's own analysis pending).
How do I remediate CVE-2026-11839?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-11839, 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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