Affects Elastic Kibana, a widely used enterprise product; privilege escalation can expose/modify org data and warrants broad IT notification.
CVE-2026-63137
Kibana auth flaw lets workflow editors run tasks as higher-privileged users.
Is CVE-2026-63137 being exploited?
Not confirmed. CVE-2026-63137 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 0.35% probability of exploitation in the next 30 days.
How severe is CVE-2026-63137?
CVE-2026-63137 is rated High with a CVSS score of 8.3. 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-2026-63137?
Yes. A fix has been recorded for CVE-2026-63137. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-63137 affect?
CVE-2026-63137 affects Elastic Kibana (workflow feature), Versions prior to 9.4.3 (security update). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-63137?
Apply Elastic security update 9.4.3 immediately; restrict workflow edit permissions until patched.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Users with workflow edit rights can execute scheduled workflows as another, higher-privileged user, allowing access/modification of data beyond their authorization.
Immediate action required
- affected>= 9.3.0 and <= 9.4.2
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.