CVE-2026-72856
Auth bypass in Budibase allows low-priv user to hijack tenant admin via password reset.
Is CVE-2026-72856 being exploited?
Not confirmed. CVE-2026-72856 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.33% probability of exploitation in the next 30 days.
How severe is CVE-2026-72856?
CVE-2026-72856 is rated High with a CVSS score of 8.6. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-72856?
Yes. A fix has been recorded for CVE-2026-72856. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-72856 affect?
CVE-2026-72856 affects Budibase self-hosted instances, Versions < 3.40.0, SELF_HOSTED or DISABLE_ACCOUNT_PORTAL configurations. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-72856?
Upgrade Budibase to >=3.40.0 and verify tenant owner emails; restrict reset flow.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated low-privileged user can reassign tenant owner email and use password-reset to gain full admin access.
Immediate action required
- affected< 3.40.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.