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TI-2026-10393 Aliases CVE-2026-12059GHSA-qg44-88jp-h8xv

Cellopoint|CelloOS - Improper Access Control

Priority MEDIUM 40CWE-1284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0045 39th percentileScored 2026-11-07
Fix Fixed CelloOS (Cellopoint): 4.8.0 Build 20260316

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
CellopointCelloOSbefore 4.8.0 Build 202603164.8.0 Build 20260316Patch availableCNA
  • CelloOS VendorCellopoint Affected before 4.8.0 Build 20260316 Fixed in 4.8.0 Build 20260316 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:o:cellopoint:cellos:*:*:*:*:*:*:*:*——Cellopoint
  • cpe:2.3:o:cellopoint:cellos:*:*:*:*:*:*:*:* Versions — — ·Cellopoint

Remediation

  • Fix · CNA CelloOS (Cellopoint) Fixed in 4.8.0 Build 20260316

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-12059
  2. 2026-10-03 Alias added: GHSA-qg44-88jp-h8xv

References

  • TI-2024-06251 Stack-based buffer overflow in Cellopoint Secure Email Gateway CVSS 3.1CRITICAL 9.8
  • TI-2024-08396 Cellopoint Secure Email Gateway - Buffer Overflow CVSS 3.1CRITICAL 9.8
  • TI-2020-13151 Cellopoint CelloOS - Unauthenticated Arbitrary File Disclosure CVSS 3.1HIGH 7.5
  • TI-2020-13150 Cellopoint CelloOS - Remote Command Execution (RCE) CVSS 3.1HIGH 7.2
  • TI-2020-13152 Cellopoint CelloOS - Server-Side Request Forgery (SSRF) CVSS 3.1MEDIUM 6.5

Sources