EUVD-2026-21773

| CVE-2026-6143 MEDIUM
2026-04-13 VulDB GHSA-rrm6-2q2p-cpx5
5.3
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

2
CVSS Changed
Apr 13, 2026 - 02:22 NVD
6.3 (MEDIUM) 5.3 (MEDIUM)
Analysis Generated
Apr 13, 2026 - 02:04 vuln.today

Tags

Cors Misconfiguration Information Disclosure

Description

A security flaw has been discovered in farion1231 cc-switch up to 3.12.3. Affected by this issue is some unknown functionality of the file src-tauri/src/proxy/server.rs of the component ProxyServer. The manipulation results in permissive cross-domain policy with untrusted domains. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

Analysis

Permissive cross-domain policy in farion1231 cc-switch up to version 3.12.3 allows authenticated remote attackers to access sensitive information and modify data across untrusted domains via misconfigured CORS headers in the ProxyServer component. Publicly available exploit code exists, and vendor patches are available; this represents a moderate but actively exploitable configuration flaw affecting networked deployments.

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Priority Score

46
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: +20

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EUVD-2026-21773 vulnerability details – vuln.today
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