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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.

PUBLISHED Reserved 2026-04-12 | Published 2026-04-13 | Updated 2026-04-13 | Assigner VulDB




MEDIUM: 5.3CVSS: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
MEDIUM: 6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Permissive Cross-domain Policy with Untrusted Domains

Origin Validation Error

Product status

3.12.0
affected

3.12.1
affected

3.12.2
affected

3.12.3
affected

Timeline

2026-04-12:Advisory disclosed
2026-04-12:VulDB entry created
2026-04-12:VulDB entry last update

Credits

r00tuser (VulDB User) reporter

References

vuldb.com/vuln/357007 (VDB-357007 | farion1231 cc-switch ProxyServer server.rs cross-domain policy) vdb-entry

vuldb.com/vuln/357007/cti (VDB-357007 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/796145 (Submit #796145 | github.com/farion1231 cc-switch v3.12.3 Origin Validation Error) third-party-advisory

github.com/farion1231/cc-switch/issues/1841 issue-tracking

github.com/farion1231/cc-switch/pull/1915 issue-tracking patch

github.com/farion1231/cc-switch/issues/1841 exploit issue-tracking

github.com/farion1231/cc-switch/ product

cve.org (CVE-2026-6143)

nvd.nist.gov (CVE-2026-6143)

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