A vulnerability allowing an unauthenticated attacker to bypass REST API authentication with a forged federation token and receive responses from REST API endpoints that do not call the Veeam Backup for Microsoft 365 backup service.
Fix
Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.
Change history 5
- StatusPublished → Awaiting AnalysisNVD modified 2026-10-28 14:47
- StatusReceived → PublishedNVD modified 2026-10-27 16:16
- StatusPublished → ReceivedNVD modified 2026-10-27 17:16
- CVSS6.9 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N) → 6.9 (v4.0, CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X)NVD modified 2026-10-27 17:16
- First seenCVSS 6.9 · veeamNVD modified 2026-10-27 16:16
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.