CVE-2026-73618
NoSQL injection in Budibase Server allows attackers with query-write rights to tamper MongoDB queries.
Is CVE-2026-73618 being exploited?
Not confirmed. CVE-2026-73618 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 0.29% probability of exploitation in the next 30 days.
How severe is CVE-2026-73618?
CVE-2026-73618 is rated High with a CVSS score of 8.7. 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-2026-73618?
Yes. A fix has been recorded for CVE-2026-73618. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-73618 affect?
CVE-2026-73618 affects Budibase Server < 3.40.0, Budibase deployments using MongoDB. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-73618?
Upgrade to Budibase Server >=3.40.0; restrict query-write roles; audit and sanitize query templates.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated users with query-write permission can inject JSON to read, modify, or delete arbitrary MongoDB documents.
Patch when possible
- 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.