CVE-2026-2234
Missing Authentication in HGiga C&Cm@il Allows Mail Access
Publication date: 2026-02-09
Last updated on: 2026-02-09
Assigner: TWCERT/CC
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| hgiga | c&cm@il | to 7.0-978 (exc) |
| hgiga | olln-base | to 7.0-978 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-306 | The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
[{'type': 'paragraph', 'content': 'CVE-2026-2234 is a critical security vulnerability in the C&Cm@il software suite developed by HGiga, specifically affecting versions of the olln-base component prior to 7.0-978.'}, {'type': 'paragraph', 'content': "The vulnerability is caused by missing authentication controls, which allows unauthenticated remote attackers to read and modify any user's email content without needing any privileges or user interaction."}, {'type': 'paragraph', 'content': 'This means that an attacker can remotely access sensitive email data, compromising both confidentiality and integrity of the emails.'}] [1, 2]
How can this vulnerability impact me? :
[{'type': 'paragraph', 'content': "This vulnerability allows an attacker to remotely access and alter any user's email content without authentication."}, {'type': 'list_item', 'content': 'Loss of confidentiality: sensitive email information can be read by unauthorized parties.'}, {'type': 'list_item', 'content': 'Loss of integrity: email contents can be modified by attackers, potentially leading to misinformation or malicious instructions.'}, {'type': 'paragraph', 'content': 'However, the vulnerability does not impact the availability of the email service.'}] [1, 2]
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
[{'type': 'paragraph', 'content': 'The immediate step to mitigate the CVE-2026-2234 vulnerability is to update the olln-base component of the C&Cm@il package to version 7.0-978 or later.'}, {'type': 'paragraph', 'content': "This update addresses the missing authentication vulnerability that allows unauthenticated remote attackers to read and modify any user's mail content."}] [1, 2]