# CVE-2026-19352: mifi lossless-cut Built-in HTTP API Service httpServer.ts server-side request forgery

> An attacker with local network access can exploit the built-in HTTP API to perform server-side request forgery, requiring an experimental CLI flag to be enabled.

- **Severity:** Low 2.3 (`CVSS:4.0/AV:A/AC:H/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 9 Aug 2026
- **Updated:** 10 Aug 2026
- **Also known as:** GHSA-rq3v-mj3j-qv4c

## What is CVE-2026-19352?

CVE-2026-19352 is a low-severity server-side request forgery vulnerability in mifi lossless-cut, published on 9 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability was determined in mifi lossless-cut up to 3.69.0. Affected by this issue is some unknown functionality of the file src/main/httpServer.ts of the component Built-in HTTP API Service. Executing a manipulation can lead to server-side request forgery. The attack requires access to the local network. This attack is characterized by high complexity. The exploitation is known to be difficult. The exploit has been publicly disclosed and may be utilized. This patch is called 260802348955231442c4bae6c2d9d8ede947af0a. It is best practice to apply a patch to resolve this issue. The project maintainer provides this view: "I'm not sure that this is a critical vulnerability, because it is behind an experimental CLI flag and the NTLM behavior isn't really a LosslessCut bug." The CVSS vector reflects the high level of pre-requisites.

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

## Which versions are affected by CVE-2026-19352?


## How do I fix CVE-2026-19352?

No fix has been published for CVE-2026-19352 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-19352 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19352 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-19352 and fix it if it is affected.

What it is: CVE-2026-19352 is a low-severity server-side request forgery vulnerability in mifi lossless-cut, published on 9 Aug 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19352 exists.

Affected product: mifi lossless-cut. 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-2026-19352/ (Markdown: https://insights.sbomify.com/CVE-2026-19352/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-19352
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-19352
- OSV: https://osv.dev/vulnerability/CVE-2026-19352

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-19352/
Summaries are generated and may contain mistakes; the official description above is the record.