CVE-2026-126570
Published:November 11, 2026
Updated:November 11, 2026
Padloc 4.0.0 before 4.3.1 contains a prototype pollution vulnerability that allows SCIM token holders to modify Object.prototype by sending crafted SCIM PATCH paths to ScimServer._handleScimUsersPatch(). Attackers can supply paths like proto.x or constructor.prototype.x passed to setPath() to pollute the shared server process, disrupting requests for all other organizations.
Affected Packages
https://github.com/padloc/padloc.git (GITHUB):
Affected version(s) >=v4.0.0 <v4.3.1Fix Suggestion:
Update to version v4.3.1Additional Notes
The description of this vulnerability differs from MITRE.
Related Resources (5)
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Contact UsCVSS v4
Base Score:
7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
HIGH
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
LOW
Subsequent System Availability
HIGH
CVSS v3
Base Score:
7.6
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
HIGH
Weakness Type (CWE)
Improperly Controlled Modification of Object Prototype Attributes