# CVE-2026-26977: Frappe Learning Management System exposes details of unpublished courses to unauthorized users

> Unauthorized users can access details of unpublished courses via API endpoints in Frappe Learning Management System.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 Feb 2026
- **Updated:** 20 Feb 2026
- **Also known as:** GHSA-26vf-p39q-frx3

## What is CVE-2026-26977?

CVE-2026-26977 is a medium-severity missing authorization vulnerability in frappe lms, published on 20 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Frappe Learning Management System (LMS) is a learning system that helps users structure their content. In versions 2.44.0 and below, unauthorized users are able to access the details of unpublished courses via API endpoints. A fix for this issue is planned for the 2.45.0 release.

Weakness: CWE-862 (Missing Authorization), CWE-284 (Improper Access Control)

## Which versions are affected by CVE-2026-26977?

It affects 1 product.


Products: Frappe Learning.

## How do I fix CVE-2026-26977?

No fix has been published for CVE-2026-26977 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-26977 being exploited?

There is no known exploitation of CVE-2026-26977 in the wild and no public exploit code.

## Other vulnerabilities in frappe lms

- [CVE-2023-5555](https://insights.sbomify.com/CVE-2023-5555/): Cross-site Scripting (XSS) - Generic in frappe/lms (high 7.1)
- [CVE-2026-34606](https://insights.sbomify.com/CVE-2026-34606/): Stored XSS in Frappe LMS (medium 6.9)
- [CVE-2025-11280](https://insights.sbomify.com/CVE-2025-11280/): Frappe LMS Assignment Picture files direct request (medium 6.3)
- [CVE-2023-42807](https://insights.sbomify.com/CVE-2023-42807/): Frappe LMS SQL Injection Issue on People Page (medium 6.3)
- [CVE-2026-39415](https://insights.sbomify.com/CVE-2026-39415/): Frappe Learning Management System has Client-Side Manipulation of Quiz Scores (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-26977 and fix it if it is affected.

What it is: CVE-2026-26977 is a medium-severity missing authorization vulnerability in frappe lms, published on 20 Feb 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-26977 in the wild and no public exploit code.

Affected product: frappe 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-2026-26977/ (Markdown: https://insights.sbomify.com/CVE-2026-26977/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-26977
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-26977
- OSV: https://osv.dev/vulnerability/CVE-2026-26977

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-26977/
Summaries are generated and may contain mistakes; the official description above is the record.