CVE-2026-81035
HighCVSS 8.1Exploitation Probability (EPSS)
Low risk25th percentile - higher than 25% of all known CVEs
Summary
Midday allows any team member to delete the team. The delete procedure authorizes the caller with a helper that returns true for every membership row regardless of role. Neighboring procedures check the role and refuse non-owners, but deletion lacks this check. Any invitee can remove the team and all scoped records, and the cleanup job uses stored bank-connection tokens against connected providers.
Risk Assessment
A low-privileged user can delete the entire team and data, and also use bank tokens for unauthorized operations, leading to data loss and security breaches.
Recommendation
Update Midday to a version that requires the owner role for team deletion. Additionally, ensure the update procedure also enforces role checks.
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Original NVD description (English source)
Midday allows any member of a team to delete it. The delete procedure in apps/api/src/trpc/routers/team.ts authorises the caller with the team-access helper, which returns true for every row in the team-membership table irrespective of the role it records, and the data-layer function it calls re-checks the same helper and nothing else. The neighbouring procedures that remove or update a member in the same router each resolve the caller's role and refuse the request unless it is owner, so the check exists in the file and is not applied to deletion. Member is the role an invited user receives, so any invitee can remove the team and every record scoped to it, and the deletion enqueues the cleanup job with the stored bank-connection tokens, which the job then uses against the connected providers. The update procedure in the same router carries no role check either.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

