CVE-2026-12059

HIGHPre-NVD 8.88.8—
EchelonGraph scoreMEDIUM 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
8.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.8Exploit: None knownExposed: 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(medium)
EG Risk
44(Track)
EG Risk 44/100SSVC: 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
Severity88% × 45%
Exploitation0% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
37%
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 18× in last 7d / 97× 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 224 total refreshes for this CVE.

  1. 2026-08-25 13:48 UTCEPSS rescore
  2. 2026-08-24 23:51 UTCEG score recompute
  3. 2026-08-24 23:51 UTCGHSA enrichment
  4. 2026-08-23 21:44 UTCGHSA enrichment
  5. 2026-08-23 10:38 UTCEG score recompute
  6. 2026-08-23 10:38 UTCGHSA enrichment
  7. 2026-08-23 00:19 UTCEPSS rescore
  8. 2026-08-21 23:48 UTCEPSS rescore
  9. 2026-08-21 19:13 UTCGHSA enrichment
  10. 2026-08-21 07:34 UTCEG score recompute
  11. 2026-08-21 07:34 UTCGHSA enrichment
  12. 2026-08-20 22:55 UTCEPSS rescore
  13. 2026-08-20 20:27 UTCGHSA enrichment
  14. 2026-08-20 08:48 UTCEG score recompute
  15. 2026-08-20 08:48 UTCGHSA enrichment
  16. 2026-08-19 17:03 UTCEPSS rescore
  17. 2026-08-19 13:46 UTCEG score recompute
  18. 2026-08-19 13:46 UTCGHSA enrichment
  19. 2026-08-18 13:48 UTCEPSS rescore
  20. 2026-08-17 10:01 UTCGHSA enrichment
  21. 2026-08-16 22:55 UTCEG score recompute
  22. 2026-08-16 22:55 UTCGHSA enrichment
  23. 2026-08-16 14:56 UTCEPSS rescore
  24. 2026-08-16 10:47 UTCEG score recompute
  25. 2026-08-16 10:47 UTCGHSA enrichment
Show 75 more
  1. 2026-08-16 02:14 UTCEPSS rescore
  2. 2026-08-15 23:41 UTCGHSA enrichment
  3. 2026-08-15 10:36 UTCEG score recompute
  4. 2026-08-15 10:36 UTCGHSA enrichment
  5. 2026-08-15 01:30 UTCEPSS rescore
  6. 2026-08-14 20:32 UTCGHSA enrichment
  7. 2026-08-14 09:19 UTCGHSA enrichment
  8. 2026-08-13 22:13 UTCEG score recompute
  9. 2026-08-13 22:13 UTCGHSA enrichment
  10. 2026-08-13 22:00 UTCEPSS rescore
  11. 2026-08-13 05:43 UTCGHSA enrichment
  12. 2026-08-12 18:37 UTCEG score recompute
  13. 2026-08-12 18:37 UTCGHSA enrichment
  14. 2026-08-12 13:50 UTCEPSS rescore
  15. 2026-08-12 07:30 UTCGHSA enrichment
  16. 2026-08-11 20:22 UTCEG score recompute
  17. 2026-08-11 20:22 UTCGHSA enrichment
  18. 2026-08-11 13:42 UTCEPSS rescore
  19. 2026-08-11 09:15 UTCEG score recompute
  20. 2026-08-11 09:15 UTCGHSA enrichment
  21. 2026-08-10 23:59 UTCEPSS rescore
  22. 2026-08-10 22:09 UTCGHSA enrichment
  23. 2026-08-10 11:03 UTCGHSA enrichment
  24. 2026-08-09 23:55 UTCEG score recompute
  25. 2026-08-09 23:55 UTCGHSA enrichment
  26. 2026-08-09 13:46 UTCEPSS rescore
  27. 2026-08-09 12:49 UTCGHSA enrichment
  28. 2026-08-09 01:42 UTCEG score recompute
  29. 2026-08-09 01:42 UTCGHSA enrichment
  30. 2026-08-08 16:37 UTCEPSS rescore
  31. 2026-08-08 14:36 UTCGHSA enrichment
  32. 2026-08-08 03:29 UTCEG score recompute
  33. 2026-08-08 03:29 UTCGHSA enrichment
  34. 2026-08-07 16:23 UTCGHSA enrichment
  35. 2026-08-07 05:16 UTCGHSA enrichment
  36. 2026-08-06 18:09 UTCEG score recompute
  37. 2026-08-06 18:09 UTCGHSA enrichment
  38. 2026-08-06 13:46 UTCEPSS rescore
  39. 2026-08-06 07:03 UTCGHSA enrichment
  40. 2026-08-05 19:56 UTCEG score recompute
  41. 2026-08-05 19:56 UTCGHSA enrichment
  42. 2026-08-05 19:17 UTCEPSS rescore
  43. 2026-08-04 15:47 UTCEG score recompute
  44. 2026-08-04 15:47 UTCGHSA enrichment
  45. 2026-08-04 15:09 UTCEPSS rescore
  46. 2026-08-04 10:38 UTCEPSS rescore
  47. 2026-08-03 21:08 UTCEG score recompute
  48. 2026-08-03 21:08 UTCGHSA enrichment
  49. 2026-08-03 10:35 UTCEPSS rescore
  50. 2026-08-03 10:01 UTCGHSA enrichment
  51. 2026-08-02 18:42 UTCGHSA enrichment
  52. 2026-08-02 07:35 UTCEG score recompute
  53. 2026-08-02 07:35 UTCGHSA enrichment
  54. 2026-08-02 02:26 UTCEPSS rescore
  55. 2026-08-01 20:28 UTCGHSA enrichment
  56. 2026-08-01 09:20 UTCEG score recompute
  57. 2026-08-01 09:20 UTCGHSA enrichment
  58. 2026-08-01 04:15 UTCEPSS rescore
  59. 2026-07-31 13:33 UTCGHSA enrichment
  60. 2026-07-31 00:34 UTCEG score recompute
  61. 2026-07-31 00:34 UTCGHSA enrichment
  62. 2026-07-30 16:27 UTCEPSS rescore
  63. 2026-07-30 09:30 UTCEG score recompute
  64. 2026-07-30 09:30 UTCGHSA enrichment
  65. 2026-07-30 01:30 UTCEPSS rescore
  66. 2026-07-29 15:38 UTCGHSA enrichment
  67. 2026-07-29 04:30 UTCEG score recompute
  68. 2026-07-29 04:30 UTCGHSA enrichment
  69. 2026-07-28 15:36 UTCEPSS rescore
  70. 2026-07-28 02:09 UTCEG score recompute
  71. 2026-07-28 02:09 UTCGHSA enrichment
  72. 2026-07-27 14:13 UTCEPSS rescore
  73. 2026-07-27 08:01 UTCGHSA enrichment
  74. 2026-07-26 20:43 UTCEG score recompute
  75. 2026-07-26 20:43 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 0% probability of exploitation in the next 30 days, which ranks it in the top 62.8% of all scored CVEs.
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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