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.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
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
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.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-19352 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-19352 exists.
Sources
Also known as GHSA-rq3v-mj3j-qv4c.