CVE-2026-6143

farion1231 cc-switch ProxyServer server.rs cross-domain policy

State: Published
Severity: 5.3 Medium
Published: Apr 13, 2026
Updated: Apr 13, 2026
Reserved: Apr 12, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	VulDB
3.1	6.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
3.0	6.3 Medium	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R	VulDB
2.0	6.5 Medium	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR	VulDB

Weaknesses

CWE-942 Permissive Cross-domain Policy with Untrusted Domains
CWE-346 Origin Validation Error

Affected Products

Product	Versions
cc-switchfarion1231	3.12.0Affected 3.12.1Affected 3.12.2Affected 3.12.3Affected

References

VDB-357007 | farion1231 cc-switch ProxyServer server.rs cross-domain policyvdb-entry
VDB-357007 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #796145 | github.com/farion1231 cc-switch v3.12.3 Origin Validation Errorthird-party-advisory
https://github.com/farion1231/cc-switch/issues/1841issue-tracking
https://github.com/farion1231/cc-switch/pull/1915issue-trackingpatch
https://github.com/farion1231/cc-switch/issues/1841#issue-4191294952exploitissue-tracking
https://github.com/farion1231/cc-switch/product

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