Vulnerability · Published Oct 12, 2026 · Assigned by VulnCheck
CVE-2026-109186jshERP through 3.6 Mass Assignment via PUT /user/update
High 8.8
In plain English
A high-severity security flaw in jshERP from jishenghua. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 30% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.4%top 70.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| jishenghua | jshERP | 0 – through 3.6 |
Weakness: CWE-915 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- Researcher Proof of Concept exploit
- Vulnerable Code (3.6) technical-description
- Vulnerable Code (3.6) technical-description
- VulnCheck Advisory: jshERP through 3.6 Mass Assignment via PUT /user/update third-party-advisory