CVE-2026-2234 HGiga｜C&Cm@il - Missing Authentication
Unauthenticated remote attackers can read and modify any user's mail content in HGiga C&Cm@il due to missing authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-2234?
CVE-2026-2234 is a critical missing authorization vulnerability in HGiga C&Cm@il package olln-base, published on 9 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
C&Cm@il developed by HGiga has a Missing Authentication vulnerability, allowing unauthenticated remote attackers to read and modify any user's mail content.
Weakness: CWE-306
Which versions are affected by CVE-2026-2234?
How do I fix CVE-2026-2234?
No fix has been published for CVE-2026-2234 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-2234 being exploited?
There is no known exploitation of CVE-2026-2234 in the wild and no public exploit code.
Sources
Also known as GHSA-x737-7v9v-f6g5.