CVE-2026-51956
High
Description
A Broken Object Level Authorization vulnerability exists in Grashjs Atlas CMMS prior to v1.6.0. An authenticated user from one tenant can read and modify another tenant's company record by changing only the numeric ID in the /company/{id} endpoint. The application does not enforce tenant-level ownership checks when accessing or updating company objects, allowing cross-tenant access and modification of company profile data.
SeverityHigh
CVSS8.1
Exploit probability—
ProductAtlas CMMS
PublishedSep 1, 2026
First seenSep 1, 2026
Weakness typeCWE-284Improper access control
How to fix
Update
- Grashjs Atlas CMMS1.6.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Grashjs Atlas CMMS | No range specified | 1.6.0 |
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