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CVE-2026-50025

Mousehole: Unauthenticated HTTP/WebSocket boundary exposes and mutates MAM cookie state

MEDIUM
6.9
CVSS Score
Published: September 11, 2026 at 08:42 PM UTC
Updated: September 30, 2026 at 05:51 PM UTC
1 product affected across 1 vendorMousehole

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

Mousehole is a background service to update a seedbox IP for MAM and web app to manage it. Prior to version 0.4.05, Mousehole's HTTP/WebSocket management boundary is reachable without application-layer authentication or browser/LAN provenance checks. The service stores a MyAnonamouse (MAM) session cookie in state and reuses the same cookie-bearing serialization for persisted state, public API responses, and WebSocket state updates. Any client that can reach the published Mousehole port can read cookie-bearing state, connect to WebSocket state updates, replace the stored cookie, or force MAM update side effects. The deployment examples publish port 5010 broadly with Docker's `5010:5010` syntax, which can make the issue reachable on mixed-trust LAN/VPN interfaces. Version 0.4.0 patches the issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Mousehole· T Mart
60%
v < 0.4.0
Affected range stops below 0.4.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_CONFIRM
Source: cverecord
https://github.com/t-mart/mousehole/security/advisories/GHSA-v64r-gfrc-f6vq
x_refsource_MISC
Source: cverecord
https://github.com/t-mart/mousehole/blob/master/CHANGELOG.md#v040---2026-06-04

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-200CWE-306CWE-346CWE-352CWE-862

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