# CVE-2026-7785: A-G-U-P-T-A wireshark-mcp pyshark_mcp.py quick_capture os command injection

> Remote attackers can execute arbitrary OS commands via the quick_capture function in the wireshark-mcp tool, requiring immediate attention from users.

- **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:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 May 2026
- **Updated:** 5 May 2026
- **Also known as:** GHSA-v798-39xf-8fg2

## What is CVE-2026-7785?

CVE-2026-7785 is a medium-severity command injection vulnerability in A-G-U-P-T-A wireshark-mcp, published on 4 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A security flaw has been discovered in A-G-U-P-T-A wireshark-mcp edaf604416fbc94a201b4043092d4a1b09a12275/400c3da70074f22f3cce7ccb65304cafc7089c89. This affects the function quick_capture of the file pyshark_mcp.py. The manipulation results in os command injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The project was informed of the problem early through an issue report but has not responded yet.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command), CWE-77 (Improper Neutralization of Special Elements used in a Command)

## Which versions are affected by CVE-2026-7785?


## How do I fix CVE-2026-7785?

No fix has been published for CVE-2026-7785 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-7785 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7785 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-7785 and fix it if it is affected.

What it is: CVE-2026-7785 is a medium-severity command injection vulnerability in A-G-U-P-T-A wireshark-mcp, published on 4 May 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-2026-7785 exists.

Affected product: A-G-U-P-T-A wireshark-mcp. 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-2026-7785/ (Markdown: https://insights.sbomify.com/CVE-2026-7785/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-7785
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-7785
- OSV: https://osv.dev/vulnerability/CVE-2026-7785

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-7785/
Summaries are generated and may contain mistakes; the official description above is the record.