# CVE-2026-19092: Tutor LMS < 4.0.6 - Unauthenticated Arbitrary Zero-Argument Function Invocation via Template Variable Shadowing

> Unauthenticated attackers can invoke arbitrary PHP functions and read output via template variable shadowing in Tutor LMS.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Aug 2026
- **Updated:** 28 Aug 2026
- **Also known as:** GHSA-2rmp-5m77-4x47

## What is CVE-2026-19092?

CVE-2026-19092 is a critical code injection vulnerability in Unknown Tutor LMS, published on 27 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Tutor LMS WordPress plugin before 4.0.6 does not prevent request data from overwriting internal variables while rendering templates, allowing unauthenticated users to invoke arbitrary zero-argument PHP functions and receive their output.

Weakness: CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2026-19092?


## How do I fix CVE-2026-19092?

No fix has been published for CVE-2026-19092 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-19092 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19092 exists.

Public exploit code:

- Tutor LMS < 4.0.6 - Unauthenticated Arbitrary PHP Function Invocation (nuclei): http/cves/2026/CVE-2026-19092.yaml

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-19092 and fix it if it is affected.

What it is: CVE-2026-19092 is a critical code injection vulnerability in Unknown Tutor LMS, published on 27 Aug 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-2026-19092 exists.

Affected product: Unknown Tutor 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-2026-19092/ (Markdown: https://insights.sbomify.com/CVE-2026-19092/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-19092
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-19092
- OSV: https://osv.dev/vulnerability/CVE-2026-19092

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-19092/
Summaries are generated and may contain mistakes; the official description above is the record.