Quick answers
- Is CVE-2026-109186 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-109186 being exploited in the wild.
- How severe is CVE-2026-109186?
- High severity, with a CVSS score of 8.8, published 12 October 2026.
- Which products and versions are affected?
- Jishenghua jshERP through 3.6.
- Is there a fix for CVE-2026-109186?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-109186 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-109186?
- Check whether you run Jishenghua jshERP at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A mass assignment vulnerability in the UserController's PUT /user/update endpoint fails to restrict which fields can be modified, allowing authenticated attackers to overwrite sensitive attributes such as tenant_id and password_hash. The vulnerability requires valid authentication but no additional permissions or user interaction. An attacker can change another user's password or switch tenant context to achieve privilege escalation or cross-tenant data access.
Affected products
- jishenghua jshERP through 3.6
Timeline
- 2026-10-12: disclosed