CVE-2026-52103 Code injection in n/a
Attackers can execute arbitrary commands via crafted text messages in SimpleX Chat without user interaction, requiring an upgrade to secure the application.
- 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-2026-52103?
CVE-2026-52103 is a critical code injection vulnerability in n/a, published on 26 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A zero-click remote code execution (RCE) vulnerability in the /Terminal/Notification.hs component of SimpleX Chat before v6.5 allows attackers to execute arbitrary commands in the context of the application without user interaction via sending a crafted payload in a text message.
Weakness: CWE-94
Which versions are affected by CVE-2026-52103?
How do I fix CVE-2026-52103?
No fix has been published for CVE-2026-52103 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-52103 being exploited?
There is no known exploitation of CVE-2026-52103 in the wild and no public exploit code.
Sources
Also known as GHSA-vx25-92gx-4xfv.