{"action":"Upgrade github.com/fleetdm/fleet/v4 to 3.5.1 or later.","affected":[{"fixed":"3.5.1","introduced":"0"}],"component":"github.com/fleetdm/fleet/v4","cve_ids":["CVE-2020-26276"],"ecosystem":"Go","epss":0.02195,"exploited":false,"fixed_versions":["3.5.1"],"ghsa_id":"GHSA-w3wf-cfx3-6gcx","id":"tcs_01M5KFQ1R8NJKHS0PZ2DAJ4BH4","modified_at":"2026-09-10T03:49:12.818096744Z","published_at":"2022-02-11T23:59:14Z","references":["https://osv.dev/vulnerability/GHSA-w3wf-cfx3-6gcx","https://github.com/fleetdm/fleet/security/advisories/GHSA-w3wf-cfx3-6gcx","https://nvd.nist.gov/vuln/detail/CVE-2020-26276","https://github.com/fleetdm/fleet/commit/57812a532e5f749c8e18c6f6a652eca65c083607","https://github.com/fleetdm/fleet/blob/master/CHANGELOG.md#fleet-351-dec-14-2020","https://github.com/mattermost/xml-roundtrip-validator","https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities"],"severity":{"label":"high"},"sources":[{"source":"osv","source_id":"GHSA-w3wf-cfx3-6gcx","url":"https://osv.dev/vulnerability/GHSA-w3wf-cfx3-6gcx"}],"summary":"SAML authentication vulnerability due to stdlib XML parsing"}