CVE-2026-27948: Copyparty vulnerable to reflected XSS via setck parameter

February 26, 2026

An XSS allows for reflected cross-site scripting via URL-parameter ?setck=...

References

github.com/9001/copyparty
github.com/9001/copyparty/commit/31b2801fd041f803f4a3d5c12c7d7cb5419048bc
github.com/9001/copyparty/releases/tag/v1.20.9
github.com/9001/copyparty/security/advisories/GHSA-62cr-6wp5-q43h
github.com/advisories/GHSA-62cr-6wp5-q43h
nvd.nist.gov/vuln/detail/CVE-2026-27948

Code Behaviors & Features

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