CVE-2026-51956
Grashjs Atlas CMMS Broken Object Level Authorization
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.
INFO
Published Date :
Sept. 1, 2026, 5:17 p.m.
Last Modified :
Sept. 1, 2026, 5:17 p.m.
Remotely Exploit :
No
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-51956
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
Solution
- Update Grashjs Atlas CMMS to v1.6.0 or later.
- Implement strict tenant ownership checks for all data access.
- Review and enforce authorization for all API endpoints.
- Test access controls thoroughly after implementing changes.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-51956.
| URL | Resource |
|---|---|
| https://github.com/Grashjs/cmms | |
| https://github.com/Grashjs/cmms/commit/283bbc985cda497d6b592faae45ae1dbc8d53966 | |
| https://github.com/h4vrut4/security-advisories/blob/main/CVE-2026-51956.md |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-51956 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-51956
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-51956 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-51956 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Sep. 01, 2026
Action Type Old Value New Value Added 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. Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/51xxx/CVE-2026-51956.json">CVE-2026-51956</a> Added Reference https://github.com/Grashjs/cmms Added Reference https://github.com/Grashjs/cmms/commit/283bbc985cda497d6b592faae45ae1dbc8d53966 Added Reference https://github.com/h4vrut4/security-advisories/blob/main/CVE-2026-51956.md