CVE-2026-119744 Cendio ThinLinc Improper Authentication via Web Access
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-119744?
CVE-2026-119744 is a high-severity vulnerability in Cendio ThinLinc, published on 5 Nov 2026.
Official description
Cendio ThinLinc contains an improper authentication vulnerability in its browser-based web client (tlwebaccess) that allows an authenticated attacker to impersonate any other user, including root, by exploiting flaws in multi-step authentication flows such as one-time passwords, login banners, or expired password prompts. Attackers can leverage this authentication bypass during the multi-step login process to gain unauthorized access to other user accounts, including administrative privileges, in versions from 4.1.0 through 4.20.0.
Weakness: CWE-290
Which versions are affected by CVE-2026-119744?
How do I fix CVE-2026-119744?
No fix has been published for CVE-2026-119744 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-119744 being exploited?
There is no known exploitation of CVE-2026-119744 in the wild and no public exploit code.
Sources
Also known as GHSA-5r8q-rp82-m3v2.