# CVE-2026-125076: SourceCodester Smart Attendance System with QR Code Scanner JSON Endpoint attendance_handler.php missing authentication


- **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
- **Fix available:** No
- **Published:** 9 Nov 2026
- **Updated:** 9 Nov 2026
- **Also known as:** GHSA-jf63-63qj-45jm

## What is CVE-2026-125076?

CVE-2026-125076 is a medium-severity vulnerability in SourceCodester Smart Attendance System with QR Code Scanner, published on 9 Nov 2026. 

### Official description

A vulnerability was found in SourceCodester Smart Attendance System with QR Code Scanner 1.0. Affected is an unknown function of the file api/attendance_handler.php of the component JSON Endpoint. Performing a manipulation of the argument student_code results in missing authentication. It is possible to initiate the attack remotely. The exploit has been made public and could be used.

Weakness: CWE-306 (Missing Authentication for Critical Functionality), CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2026-125076?


## How do I fix CVE-2026-125076?

No fix has been published for CVE-2026-125076 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-125076 being exploited?

There is no known exploitation of CVE-2026-125076 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-125076 and fix it if it is affected.

What it is: CVE-2026-125076 is a medium-severity vulnerability in SourceCodester Smart Attendance System with QR Code Scanner, published on 9 Nov 2026. 
Exploitation: There is no known exploitation of CVE-2026-125076 in the wild and no public exploit code.

Affected product: SourceCodester Smart Attendance System with QR Code Scanner. 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-2026-125076/ (Markdown: https://insights.sbomify.com/CVE-2026-125076/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-125076
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-125076
- OSV: https://osv.dev/vulnerability/CVE-2026-125076

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-125076/
Summaries are generated and may contain mistakes; the official description above is the record.