Vulnerability · Published Oct 8, 2026 · Assigned by VulnCheck

CVE-2026-107701dot-access through 1.0.0 Prototype Pollution via set() path argument

High 8.2

In plain English

A high-severity prototype pollution in dot-access from ntharim. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).

Severity (CVSS 3.1)8.2High

Exploit odds (30 days)0.3%top 74.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

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.

Affected products (as reported)

Vendor	Product	Versions
ntharim	dot-access	0 – through 1.0.0

Weakness: CWE-1321 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L

References

https://gist.github.com/R3tro16/e094e4318a040f189fd5d2d33e8c3ec2 third-party-advisory
https://github.com/ntharim/dot-access/issues/5 issue-tracking
https://github.com/ntharim/dot-access/blob/v1.0.0/index.js#L9-L18 technical-description
https://github.com/ntharim/dot-access product
VulnCheck Advisory: dot-access through 1.0.0 Prototype Pollution via set() path argument third-party-advisory