# CVE-2026-41552: Path Traversal in PDF Export Module

> An unauthenticated attacker can exploit a path traversal flaw in the PDF Export Module to read local server files via crafted HTML payloads.

- **Severity:** Critical 9.2 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 15 May 2026
- **Updated:** 15 May 2026
- **Also known as:** GHSA-cj88-m5vv-89m3

## What is CVE-2026-41552?

CVE-2026-41552 is a critical path traversal vulnerability in DHTMLX PDF Export Module, published on 15 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

PDF Export Module used in DHTMLX's products Gantt and Scheduler is vulnerable to Path Traversal due to lack of HTML sanitization. An unauthenticated user could craft the html payload which could include
 local files from the server and display them in the generated PDF.  

This issue was fixed in PDF Export Module version 0.7.6.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2026-41552?

It affects 1 product.


Products: Dhtmlx Pdf Export Module.

## How do I fix CVE-2026-41552?

No fix has been published for CVE-2026-41552 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-41552 being exploited?

There is no known exploitation of CVE-2026-41552 in the wild and no public exploit code.

## Other vulnerabilities in DHTMLX PDF Export Module

- [CVE-2026-41553](https://insights.sbomify.com/CVE-2026-41553/): Remote Code Execution in PDF Export Module (critical 10.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-41552 and fix it if it is affected.

What it is: CVE-2026-41552 is a critical path traversal vulnerability in DHTMLX PDF Export Module, published on 15 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-41552 in the wild and no public exploit code.

Affected product: DHTMLX PDF Export Module. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-41552/ (Markdown: https://insights.sbomify.com/CVE-2026-41552/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-41552
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-41552
- OSV: https://osv.dev/vulnerability/CVE-2026-41552

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-41552/
Summaries are generated and may contain mistakes; the official description above is the record.