# CVE-2026-78637: Fdawgs node-poppler Argument Injection index.js pdfUnite argument injection

> Attackers can inject arguments into node-poppler functions via file_path, potentially leading to code execution.

- **Severity:** Medium 6.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 25 Aug 2026
- **Updated:** 25 Aug 2026
- **Also known as:** GHSA-65mf-8mg6-qf2r

## What is CVE-2026-78637?

CVE-2026-78637 is a medium-severity command injection vulnerability in Fdawgs node-poppler, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was detected in Fdawgs node-poppler up to 9.1.2/10.0.1. The impacted element is the function pdfInfo/pdfToText/pdfToCairo/pdfToPpm/pdfImages/pdfToHtml/pdfToPs/pdfFonts/pdfDetach/pdfAttach/pdfSeparate/pdfUnite of the file src/index.js of the component Argument Injection Handler. Performing a manipulation of the argument file_path results in argument injection. The attack may be initiated remotely. The patch is named db6e3f79d3beb20601be7e59669c39811ae3c330. It is recommended to apply a patch to fix this issue.

Weakness: CWE-88 (Improper Neutralization of Argument Delimiters in a Command), CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component)

## Which versions are affected by CVE-2026-78637?


## How do I fix CVE-2026-78637?

No fix has been published for CVE-2026-78637 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-78637 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-78637 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-78637 and fix it if it is affected.

What it is: CVE-2026-78637 is a medium-severity command injection vulnerability in Fdawgs node-poppler, published on 25 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-78637 exists.

Affected product: Fdawgs node-poppler. 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-2026-78637/ (Markdown: https://insights.sbomify.com/CVE-2026-78637/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-78637
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-78637
- OSV: https://osv.dev/vulnerability/CVE-2026-78637

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-78637/
Summaries are generated and may contain mistakes; the official description above is the record.