CVE-2026-107701 dot-access through 1.0.0 Prototype Pollution via set() path argument
Attackers can pollute Object.prototype via crafted paths in dot-access, potentially altering authorization flags or crashing the process.
- 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-2026-107701?
CVE-2026-107701 is a high-severity vulnerability in ntharim dot-access, published on 8 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
dot-access through 1.0.0 contains a prototype pollution vulnerability that allows attackers to modify Object.prototype by supplying a crafted dotted path to set(). Attackers controlling the path, such as through user-supplied field names, can use __proto__ segments to inject properties into all objects, altering authorization flags and option defaults or crashing the process.
Weakness: CWE-1321
Which versions are affected by CVE-2026-107701?
How do I fix CVE-2026-107701?
No fix has been published for CVE-2026-107701 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-107701 being exploited?
There is no known exploitation of CVE-2026-107701 in the wild and no public exploit code.
Sources
Also known as GHSA-mcgm-wx64-jv4w.