# CVE-2026-34113: Guardian Language-System Unauthenticated OS Command Injection via id Parameter in speech_text.php

> Unauthenticated attackers can execute arbitrary OS commands via the id parameter in speech_text.php due to lack of input sanitization.

- **Severity:** Critical 9.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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:** 1 Jul 2026
- **Updated:** 14 Jul 2026
- **Also known as:** GHSA-fc8h-wr46-7v25

## What is CVE-2026-34113?

CVE-2026-34113 is a critical command injection vulnerability in guardian language-system, published on 1 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Guardian language-system passes the id GET parameter directly into a PHP exec() call in speech_text.php (line 18) without sanitization: exec(\"php jobs/speech_audio_text.php \".$login_session.\" \".$_GET['id'].\" ...\"). No authentication is required. An unauthenticated remote attacker can append shell metacharacters to execute arbitrary OS commands on the server.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2026-34113?


## How do I fix CVE-2026-34113?

No fix has been published for CVE-2026-34113 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-34113 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-34113 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-34113 and fix it if it is affected.

What it is: CVE-2026-34113 is a critical command injection vulnerability in guardian language-system, published on 1 Jul 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-2026-34113 exists.

Affected product: guardian language-system. 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-2026-34113/ (Markdown: https://insights.sbomify.com/CVE-2026-34113/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-34113
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-34113
- OSV: https://osv.dev/vulnerability/CVE-2026-34113

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-34113/
Summaries are generated and may contain mistakes; the official description above is the record.