{"action":"Upgrade github.com/basekick-labs/arc to 0.0.0-20260615160325-38402ad2ebdd or later.","affected":[{"introduced":"0"}],"component":"github.com/basekick-labs/arc","cve_ids":["CVE-2026-55678"],"ecosystem":"Go","epss":0.00665,"exploited":false,"fixed_versions":["0.0.0-20260615160325-38402ad2ebdd"],"ghsa_id":"GHSA-p378-jp5r-gpgw","id":"tcs_01M5KFGRVDX5AXTXS9Y0ZG6Y64","modified_at":"2026-09-02T19:55:38.727770329Z","published_at":"2026-08-28T20:32:57Z","references":["https://osv.dev/vulnerability/GHSA-p378-jp5r-gpgw","https://github.com/Basekick-Labs/arc/security/advisories/GHSA-p378-jp5r-gpgw","https://github.com/Basekick-Labs/arc/pull/505","https://github.com/Basekick-Labs/arc/commit/38402ad2ebddd32c15bf4a0fc9c22c920e5685df","https://github.com/Basekick-Labs/arc","https://github.com/Basekick-Labs/arc/releases/tag/v26.06.2"],"severity":{"label":"medium","score":6.9},"sources":[{"source":"osv","source_id":"GHSA-p378-jp5r-gpgw","url":"https://osv.dev/vulnerability/GHSA-p378-jp5r-gpgw"},{"source":"nvd","source_id":"CVE-2026-55678","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55678"}],"summary":"arc has unauthenticated cluster node admission when `cluster.shared_secret` is unset"}