{"action":"Upgrade github.com/nezhahq/nezha to 2.2.0 or later.","affected":[{"fixed":"2.2.0","introduced":"1.0.0"}],"component":"github.com/nezhahq/nezha","cve_ids":["CVE-2026-53523"],"ecosystem":"Go","epss":0.00291,"exploited":false,"fixed_versions":["2.2.0"],"ghsa_id":"GHSA-9rc6-8cjv-rcvx","id":"tcs_01M5KF64GAX0XCXN0JM1QY07K4","modified_at":"2026-07-07T16:11:15.913172487Z","published_at":"2026-06-26T23:05:19Z","references":["https://osv.dev/vulnerability/GHSA-9rc6-8cjv-rcvx","https://github.com/nezhahq/nezha/security/advisories/GHSA-9rc6-8cjv-rcvx","https://nvd.nist.gov/vuln/detail/CVE-2026-53523","https://github.com/nezhahq/nezha"],"severity":{"label":"medium","score":6.8},"sources":[{"source":"osv","source_id":"GHSA-9rc6-8cjv-rcvx","url":"https://osv.dev/vulnerability/GHSA-9rc6-8cjv-rcvx"}],"summary":"Nezha Monitoring: OAuth2 Redirect URL — Host Header Injection"}