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CVE-2026-109186

8.8 · HIGH

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.

Published Oct 12, 2026CWE-915EPSS 0.36%

Overview

CVE-2026-109186 is a high-severity vulnerability. It was published on October 12, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/AnkesKasty/cve-request-poc/blob/a7b6d1423555812d8efa26c91c5d0683164b31e5/jshERP/poc_identity_privilege_write.pyGitHubgithub.com/jishenghua/jshERP/blob/8f28e7c2fe54d54de3621a414f5df1833dc5a55f/jshERP-boot/src/main/java/com/jsh/erp/controller/UserController.java#L97-L103GitHubgithub.com/jishenghua/jshERP/blob/8f28e7c2fe54d54de3621a414f5df1833dc5a55f/jshERP-boot/src/main/java/com/jsh/erp/service/UserService.java#L176-L192Refwww.vulncheck.com/advisories/jsherp-through-3.6-mass-assignment-via-put-user-update

How CyberStrike helps

Frequently asked questions

What is CVE-2026-109186?

CVE-2026-109186 is a high-severity vulnerability. It was published on October 12, 2026 and has a CVSS 3.1 base score of 8.8 (HIGH).

How severe is CVE-2026-109186?

This vulnerability has a CVSS 3.1 base score of 8.8, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-109186?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-109186?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-109186 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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