CVE-2026-37630 Code injection in n/a
An attacker can execute arbitrary code in QuickJS-NG via the js_mapped_arguments_mark function, requiring an upgrade to mitigate.
- 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-2026-37630?
CVE-2026-37630 is a high-severity code injection vulnerability in n/a, published on 11 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue in QuickJS-NG v.0.12.1 allows an attacker to execute arbitrary code via the js_mapped_arguments_mark function
Weakness: CWE-94
Which versions are affected by CVE-2026-37630?
How do I fix CVE-2026-37630?
No fix has been published for CVE-2026-37630 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-2026-37630 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-37630 exists.
Sources
Also known as GHSA-5m3h-w8g2-q63h.