{"action":"Upgrade github.com/siderolabs/omni to 1.6.6 or later.","affected":[{"fixed":"1.6.6","introduced":"0"},{"fixed":"1.7.3","introduced":"1.7.0"}],"component":"github.com/siderolabs/omni","cve_ids":["CVE-2026-45720"],"ecosystem":"Go","epss":0.00143,"exploited":false,"fixed_versions":["1.6.6","1.7.3"],"ghsa_id":"GHSA-5x9f-6vg5-qg4m","id":"tcs_01M5KEZ1DPWF3KAMPB0M5AM6ER","modified_at":"2026-06-25T18:56:27.446022852Z","published_at":"2026-06-05T15:25:28Z","references":["https://osv.dev/vulnerability/GHSA-5x9f-6vg5-qg4m","https://github.com/siderolabs/omni/security/advisories/GHSA-5x9f-6vg5-qg4m","https://github.com/siderolabs/omni","https://github.com/siderolabs/omni/releases/tag/v1.6.6","https://github.com/siderolabs/omni/releases/tag/v1.7.3"],"severity":{"label":"high","score":7},"sources":[{"source":"osv","source_id":"GHSA-5x9f-6vg5-qg4m","url":"https://osv.dev/vulnerability/GHSA-5x9f-6vg5-qg4m"}],"summary":"Omni has a TOCTOU race condition that allows multiple concurrent uses of a single-use SAML session token"}