CVE-2026-52439 Code injection in n/a
Remote attackers can execute arbitrary code in the Beetl template engine via the type.new function and property reflection mechanism.
- 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-2026-52439?
CVE-2026-52439 is a critical code injection vulnerability in n/a, published on 23 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue in xiandafu beetl 3.20.2 allows a remote attacker to execute arbitrary code via the type.new function and the property reflection mechanism
Weakness: CWE-917
Which versions are affected by CVE-2026-52439?
How do I fix CVE-2026-52439?
No fix has been published for CVE-2026-52439 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-2026-52439 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-52439 exists.
Sources
Also known as GHSA-7p56-cmc7-rq84.