# CVE-2026-5936: Server-Side Request Forgery (SSRF) via URL Parameter in Foxit PDF Services API

> Attackers can exploit SSRF in Foxit PDF Services API to access internal network resources and cloud metadata, leading to information disclosure.

- **Severity:** High 8.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Apr 2026
- **Updated:** 13 Apr 2026
- **Also known as:** GHSA-xq5v-qh4w-535c

## What is CVE-2026-5936?

CVE-2026-5936 is a high-severity server-side request forgery vulnerability in Foxit PDF Services API, published on 13 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

An attacker can control a server-side HTTP request by supplying a crafted URL, causing the server to initiate requests to arbitrary destinations. This behavior may be exploited to probe internal network services, access otherwise unreachable endpoints (e.g., cloud metadata services), or bypass network access controls, potentially leading to sensitive information disclosure and further compromise of the internal environment.

Weakness: CWE-918 (Server-Side Request Forgery)

## Which versions are affected by CVE-2026-5936?

It affects 1 product.


Products: Foxit Pdf Services Api.

## How do I fix CVE-2026-5936?

No fix has been published for CVE-2026-5936 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-5936 being exploited?

There is no known exploitation of CVE-2026-5936 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-5936 and fix it if it is affected.

What it is: CVE-2026-5936 is a high-severity server-side request forgery vulnerability in Foxit PDF Services API, published on 13 Apr 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-5936 in the wild and no public exploit code.

Affected product: Foxit PDF Services API. 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-2026-5936/ (Markdown: https://insights.sbomify.com/CVE-2026-5936/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-5936
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-5936
- OSV: https://osv.dev/vulnerability/CVE-2026-5936

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-5936/
Summaries are generated and may contain mistakes; the official description above is the record.