CVE-2026-112309 @rvf/set-get before 7.0.4 Prototype Pollution via setPath Inherited Methods
Attackers can cause process-wide denial of service by polluting Object.prototype via form input in the @rvf/set-get library.
- 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-2026-112309?
CVE-2026-112309 is a high-severity vulnerability in airjp73 @rvf/set-get, published on 19 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
@rvf/set-get before 7.0.4 contains a prototype pollution vulnerability in setPath that allows unauthenticated attackers to overwrite properties of shared built-in functions via inherited Object.prototype methods. Attackers can submit a form field named hasOwnProperty.call through @rvf/core form parsing to replace the shared function property, causing process-wide denial of service until restart.
Weakness: CWE-1321
Which versions are affected by CVE-2026-112309?
How do I fix CVE-2026-112309?
No fix has been published for CVE-2026-112309 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-112309 being exploited?
There is no known exploitation of CVE-2026-112309 in the wild and no public exploit code.
Sources
Also known as GHSA-ffhp-5372-ccmj.