CVE-2026-107701
dot-access through 1.0.0 Prototype Pollution via set() path argument
- State
- Published
- Severity
- 8.8 High
- Published
- Oct 8, 2026
- Updated
- Oct 14, 2026
- Reserved
- Oct 8, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.8 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 8.2 High | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L | VulnCheck |
Weaknesses
- CWE-1321 Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
Affected Products
| Product | Versions |
|---|---|
dot-accessntharim |
|
References
- https://gist.github.com/R3tro16/e094e4318a040f189fd5d2d33e8c3ec2third-party-advisory
- https://github.com/ntharim/dot-access/issues/5issue-tracking
- https://github.com/ntharim/dot-access/blob/v1.0.0/index.js#L9-L18technical-description
- https://github.com/ntharim/dot-accessproduct
- VulnCheck Advisory: dot-access through 1.0.0 Prototype Pollution via set() path argumentthird-party-advisory
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.