CVE-2026-33550 Weak cryptography in SOGo
SOGo uses short OTPs and fails to renew them on toggle, weakening two-factor authentication security.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-33550?
CVE-2026-33550 is a low-severity vulnerability in Alinto SOGo, published on 22 Mar 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
SOGo before 5.12.5 does not renew the OTP if a user disables/enables it, and has a too short length (only 12 digits instead of the 20 recommended).
Weakness: CWE-308
Which versions are affected by CVE-2026-33550?
It affects 1 product.
Products include Alinto Sogo.
How do I fix CVE-2026-33550?
Upgrade to a fixed version.
Is CVE-2026-33550 being exploited?
There is no known exploitation of CVE-2026-33550 in the wild and no public exploit code.
Other vulnerabilities in Alinto SOGo
Sources
Also known as DEBIAN-CVE-2026-33550, GHSA-9x6p-jf26-xmx7, UBUNTU-CVE-2026-33550.