{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"github.com/coder/coder","cve_ids":["CVE-2026-55428"],"ecosystem":"Go","epss":0.00405,"exploited":false,"fixed_versions":[],"ghsa_id":"GHSA-wrq8-fcv5-8hvp","id":"tcs_01M5KGQPTQ3F2C9FE74T2EKW8T","modified_at":"2026-07-07T16:01:25.321665421Z","published_at":"2026-07-07T15:26:37Z","references":["https://osv.dev/vulnerability/GO-2026-5915","https://github.com/coder/coder/security/advisories/GHSA-wrq8-fcv5-8hvp","https://github.com/coder/coder/pull/26144"],"severity":{"label":"high","score":8.2},"sources":[{"source":"osv","source_id":"GO-2026-5915","url":"https://osv.dev/vulnerability/GO-2026-5915"},{"source":"nvd","source_id":"CVE-2026-55428","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55428"}],"summary":"Coder: Route hijacking through lack of validation of agent-supplied AllowedIPs in tailnet coordinator in github.com/coder/coder"}