https://vulnerability.circl.lu/sightings/feed 2026-06-21T08:40:31.289079+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent sightings. https://vulnerability.circl.lu/sighting/7fa0eb82-ee50-450c-8abf-37ac22323c8c/export 2026-06-21T08:40:31.691028+00:00 Automation user https://cvepremium.circl.lu/user/automation {"uuid": "7fa0eb82-ee50-450c-8abf-37ac22323c8c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2020-26276", "type": "published-proof-of-concept", "source": "https://t.me/cibsecurity/21015", "content": "\u203c CVE-2020-26276 \u203c\n\nFleet is an open source osquery manager. In Fleet before version 3.5.1, due to issues in Go's standard library XML parsing, a valid SAML response may be mutated by an attacker to modify the trusted document. This can result in allowing unverified logins from a SAML IdP. Users that configure Fleet with SSO login may be vulnerable to this issue. This issue is patched in 3.5.1. The fix was made using https://github.com/mattermost/xml-roundtrip-validator If upgrade to 3.5.1 is not possible, users should disable SSO authentication in Fleet.\n\n\ud83d\udcd6 Read\n\nvia \"National Vulnerability Database\".", "creation_timestamp": "2020-12-17T22:43:03.000000Z"} 2020-12-17T22:43:03+00:00