# CVE-2026-14690: SourceCodester Multi-Vendor Online Grocery Management System Users.php save_users improper authorization

> Attackers can exploit improper authorization in the user management function to modify user data or escalate privileges.

- **Severity:** Medium 6.9 (`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`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 5 Jul 2026
- **Updated:** 6 Jul 2026
- **Also known as:** GHSA-4r3p-cxgg-r53c

## What is CVE-2026-14690?

CVE-2026-14690 is a medium-severity missing authorization vulnerability in SourceCodester Multi-Vendor Online Grocery Management System, published on 5 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A weakness has been identified in SourceCodester Multi-Vendor Online Grocery Management System 1.0. This affects the function save_users of the file classes/Users.php. This manipulation causes improper authorization. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

Weakness: CWE-285 (Improper Authorization), CWE-266 (Incorrect Privilege Assignment)

## Which versions are affected by CVE-2026-14690?


## How do I fix CVE-2026-14690?

No fix has been published for CVE-2026-14690 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-14690 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14690 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-14690 and fix it if it is affected.

What it is: CVE-2026-14690 is a medium-severity missing authorization vulnerability in SourceCodester Multi-Vendor Online Grocery Management System, published on 5 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14690 exists.

Affected product: SourceCodester Multi-Vendor Online Grocery Management System. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-14690/ (Markdown: https://insights.sbomify.com/CVE-2026-14690/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-14690
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-14690
- OSV: https://osv.dev/vulnerability/CVE-2026-14690

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-14690/
Summaries are generated and may contain mistakes; the official description above is the record.