{"action":"Upgrade github.com/modelcontextprotocol/go-sdk to 1.4.1 or later.","affected":[{"fixed":"1.4.1","introduced":"0"}],"component":"github.com/modelcontextprotocol/go-sdk","cve_ids":["CVE-2026-33252"],"ecosystem":"Go","epss":0.00181,"exploited":false,"fixed_versions":["1.4.1"],"ghsa_id":"GHSA-89xv-2j6f-qhc8","id":"tcs_01M5KF3FFSEYQW78PDJDY89PNQ","modified_at":"2026-09-10T03:50:38.202400539Z","published_at":"2026-03-19T16:42:40Z","references":["https://osv.dev/vulnerability/GHSA-89xv-2j6f-qhc8","https://github.com/modelcontextprotocol/go-sdk/security/advisories/GHSA-89xv-2j6f-qhc8","https://nvd.nist.gov/vuln/detail/CVE-2026-33252","https://github.com/modelcontextprotocol/go-sdk/commit/a433a831d6e5d5ac3b9e625a8095aa8eaa040dfc","https://github.com/modelcontextprotocol/go-sdk"],"severity":{"label":"high","score":7.1},"sources":[{"source":"osv","source_id":"GHSA-89xv-2j6f-qhc8","url":"https://osv.dev/vulnerability/GHSA-89xv-2j6f-qhc8"}],"summary":"Cross-Site Tool Execution for HTTP Servers without Authorizatrion in github.com/modelcontextprotocol/go-sdk"}