CVE-2026-2234 PUBLISHED

HGiga｜C&Cm@il - Missing Authentication

Assigner: twcert
Reserved: 09.02.2026 Published: 09.02.2026 Updated: 09.02.2026

C&Cm@il developed by HGiga has a Missing Authentication vulnerability, allowing unauthenticated remote attackers to read and modify any user's mail content.

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 9.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	High	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS Score: 9.1

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	High
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	HGiga
Product	C&Cm@il package olln-base
Versions	Default: unaffected affected from 0 to 7.0-978 (excl.)

Solutions

Update package olln-base to version 7.0-978 or later.

References

Problem Types

CWE-306 Missing Authentication for Critical Function CWE

Impacts

CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs