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.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-1321"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/126xxx/CVE-2026-126570.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "4.0.0"
},
{
"fixed": "4.3.1"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "7dd3d230ef299c71ac215c802600b5f2358f7ba3"
}
],
"source": "REFERENCES_COMMIT"
}
]
}