# CVE-2025-69581: Information disclosure in n/a

> Missing cache-control headers allow unauthorized users to view sensitive personal data via browser back button after logout.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 16 Jan 2026
- **Updated:** 20 Jan 2026
- **Also known as:** GHSA-m36g-fvpc-hvm4

## What is CVE-2025-69581?

CVE-2025-69581 is a medium-severity vulnerability in Chamilo Chamilo Lms, published on 16 Jan 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

An issue was discovered in Chamillo LMS 1.11.2. The Social Network /personal_data endpoint exposes full sensitive user information even after logout because proper cache-control is missing. Using the browser back button restores all personal data, allowing unauthorized users on the same device to view confidential information. This leads to profiling, impersonation, targeted attacks, and significant privacy risks.

Weakness: CWE-524 (Use of Cache Containing Sensitive Information)

## Which versions are affected by CVE-2025-69581?

It affects 1 product.


Products: Chamilo Chamilo Lms.

## How do I fix CVE-2025-69581?

No fix has been published for CVE-2025-69581 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-69581 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-69581 exists.

Public exploit code:

-  An issue was discovered in Chamillo LMS 1.11.2. The Social Network /personal_data endpoint exposes full sensitive user information even after logout because proper cache-control is missing. Discovered by - Rivek Raj Tamang (RivuDon), Sikkim, India. (github_poc): https://github.com/Rivek619/CVE-2025-69581

## Other vulnerabilities in Chamilo Chamilo Lms

- [CVE-2025-50187](https://insights.sbomify.com/CVE-2025-50187/): Chamilo: Evaluation of untrusted user input leads to Remote Code Execution (critical 9.8)
- [CVE-2023-34944](https://insights.sbomify.com/CVE-2023-34944/): File upload in n/a (critical 9.8)
- [CVE-2022-27423](https://insights.sbomify.com/CVE-2022-27423/): SQL injection in n/a (critical 9.8)
- [CVE-2021-35414](https://insights.sbomify.com/CVE-2021-35414/): SQL injection in n/a (critical 9.8)
- [CVE-2019-13082](https://insights.sbomify.com/CVE-2019-13082/): File upload in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-69581 and fix it if it is affected.

What it is: CVE-2025-69581 is a medium-severity vulnerability in Chamilo Chamilo Lms, published on 16 Jan 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-69581 exists.

Affected product: Chamilo Chamilo Lms. 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-2025-69581/ (Markdown: https://insights.sbomify.com/CVE-2025-69581/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-69581
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-69581
- OSV: https://osv.dev/vulnerability/CVE-2025-69581

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-69581/
Summaries are generated and may contain mistakes; the official description above is the record.