CVE-2026-67311
SSRF in Budibase Builder allows redirects to internal/cloud metadata endpoints.
Is CVE-2026-67311 being exploited?
Not confirmed. CVE-2026-67311 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 0.32% probability of exploitation in the next 30 days.
How severe is CVE-2026-67311?
CVE-2026-67311 is rated High with a CVSS score of 8.2. 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-2026-67311?
Yes. A fix has been recorded for CVE-2026-67311. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-67311 affect?
CVE-2026-67311 affects Budibase < 3.38.1, Budibase Builder role accounts, Self-hosted/cloud Budibase instances, Cloud metadata endpoints (e.g., 169.254.169.254), and 1 further product or version. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-67311?
Upgrade to Budibase >=3.38.1; restrict Builder privileges and block metadata IP egress
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Builder-role SSRF can reach internal services and cloud metadata (e.g., AWS IMDS), enabling credential theft, data access, and lateral movement.
Immediate action required
- affected< 3.38.1
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.