CVE-2026-12059

HIGHPre-NVD 8.88.8—
EchelonGraph scoreHIGH confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2026-06-12. a secondary CVSS source baseline 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 8.8Exploit: NoneExposed: 0

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

The SSH service of CelloOS developed by Cellopoint has an Improper Access Control vulnerability, allowing authenticated remote attackers to bypass the enforced command restrictions and execute operating system commands outside the originally authorized scope.

CVSS v3
8.8
EG Score
8.8(high)
EPSS
36.1%
KEV
Not listed

Published

June 12, 2026

Last Modified

June 12, 2026

Advisory Details (2)

Auto-updated Jun 12, 2026
No patch confirmed yet. Sources: cert.
cert

基點資訊｜CelloOS - Improper Access Control-TWCERT/CC台灣電腦網路危機處理暨協調中心|企業資安通報協處|資安情資分享|漏洞通報|資安聯盟|資安電子報

https://www.twcert.org.tw/tw/cp-132-10966-3258e-1.html
cert

Cellopoint｜CelloOS - Improper Access Control-TWCERT/CC Taiwan Computer Emergency Response Team/Coordination Center

https://www.twcert.org.tw/en/cp-139-10965-3ce75-2.html

Vendor Advisories for CVE-2026-12059(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 32× in last 7d / 133× 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 133 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-12059?
CVE-2026-12059 is a high vulnerability published on June 12, 2026. The SSH service of CelloOS developed by Cellopoint has an Improper Access Control vulnerability, allowing authenticated remote attackers to bypass the enforced command restrictions and execute operating system commands outside the originally authorized scope.
When was CVE-2026-12059 disclosed?
CVE-2026-12059 was first published in the National Vulnerability Database on June 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12059 actively exploited?
CVE-2026-12059 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 36.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-12059?
CVE-2026-12059 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-12059?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12059, 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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