# CVE-2025-65670: Missing authorization in n/a

> Students can access sensitive admin and teacher data by manipulating course IDs in URLs, leading to unauthorized information disclosure.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Nov 2025
- **Updated:** 5 Jul 2026
- **Also known as:** GHSA-mh75-3225-9wcj

## What is CVE-2025-65670?

CVE-2025-65670 is a medium-severity missing authorization vulnerability in n/a, published on 26 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

An Insecure Direct Object Reference (IDOR) in classroomio 0.1.13 allows students to access sensitive admin/teacher endpoints by manipulating course IDs in URLs, resulting in unauthorized disclosure of sensitive course, admin, and student data. The leak occurs momentarily before the system reverts to a normal state restricting access.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2025-65670?

It affects 1 product.


Products: Classroomio Classroomio.

## How do I fix CVE-2025-65670?

No fix has been published for CVE-2025-65670 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-65670 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-65670 exists.

Public exploit code:

- An (IDOR) in classroomio 0.1.13 allows students to access sensitive admin/teacher endpoints. Discovered by - Rivek Raj Tamang (RivuDon), Sikkim, India. (github_poc): https://github.com/Rivek619/CVE-2025-65670

## Other vulnerabilities in n/a

- [CVE-2025-65669](https://insights.sbomify.com/CVE-2025-65669/): Missing authorization in n/a (critical 9.1)
- [CVE-2025-67298](https://insights.sbomify.com/CVE-2025-67298/): An issue in ClasroomIO before v.0.2.6 allows a remote attacker to escalate privileges via the endpoints /api/verify and /rest/v1/profile (high 8.1)
- [CVE-2025-65672](https://insights.sbomify.com/CVE-2025-65672/): Missing authorization in n/a (high 7.5)
- [CVE-2025-65675](https://insights.sbomify.com/CVE-2025-65675/): Cross-site scripting in n/a (medium 5.4)
- [CVE-2025-65676](https://insights.sbomify.com/CVE-2025-65676/): Cross-site scripting in n/a (medium 5.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-65670 and fix it if it is affected.

What it is: CVE-2025-65670 is a medium-severity missing authorization vulnerability in n/a, published on 26 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-65670 exists.

Affected product: n/a. 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-2025-65670/ (Markdown: https://insights.sbomify.com/CVE-2025-65670/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-65670
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-65670
- OSV: https://osv.dev/vulnerability/CVE-2025-65670

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-65670/
Summaries are generated and may contain mistakes; the official description above is the record.