jshERP through 3.6 contains a mass assignment vulnerability in the UserController update handler that allows authenticated users to overwrite protected fields including tenant_id and password. Attackers can send a crafted PUT /user/update body to switch into another tenant on next login or overwrite other users' password hashes for account takeover.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-915"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/109xxx/CVE-2026-109186.json"
}{
"extracted_events": [
{
"introduced": "0"
},
{
"last_affected": "3.6"
},
{
"fixed": "3.6"
}
],
"source": [
"AFFECTED_FIELD",
"DESCRIPTION"
]
}