CVE-2026-41553

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.

CVSS v3.1 Score

10.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS — Exploit Prediction

0.0034

Probability of exploitation

0.56%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
dhtmlx	pdf_export_module	< 0.7.6

References

Other 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

Frequently Asked Questions

What is CVE-2026-41553? +

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. It has a CVSS v3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2026-41553? +

CVE-2026-41553 has a CVSS v3.1 score of 10.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately. The EPSS score is 0.0034, placing it in the 1th percentile for exploitation probability.

What products are affected by CVE-2026-41553? +

CVE-2026-41553 affects products from dhtmlx, specifically: pdf_export_module. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-41553? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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