CVE-2026-107701

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.

References

• https://gist.github.com/R3tro16/e094e4318a040f189fd5d2d33e8c3ec2
• https://github.com/ntharim/dot-access
• https://github.com/ntharim/dot-access/blob/v1.0.0/index.js#L9-L18
• https://github.com/ntharim/dot-access/issues/5
• https://www.vulncheck.com/advisories/dot-access-through-1.0.0-prototype-pollution-via-set-path-argument