Quick answers
- Is CVE-2026-94400 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-94400 being exploited in the wild.
- How severe is CVE-2026-94400?
- Medium severity, with a CVSS score of 6.5, published 26 September 2026.
- Which products and versions are affected?
- Elastic Kibana 8.0.0 to 8.19.21, 9.0.0 to 9.4.6, 9.5.0 to 9.5.2.
- Is there a fix for CVE-2026-94400?
- A patch was published on 2026-09-26: Fixed in Kibana 8.19.22, 9.4.7, 9.5.3 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-94400 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-94400?
- Check whether you run Elastic Kibana at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
An uncontrolled resource consumption flaw (CWE-400) in Kibana allows authenticated attackers to cause denial of service through excessive allocation. The vulnerability requires login credentials (PR:L) but no user interaction, and is accessible over the network. Exploitation results in availability impact with no confidentiality or integrity compromise.
Affected products
- Elastic Kibana 8.0.0 to 8.19.21, 9.0.0 to 9.4.6, 9.5.0 to 9.5.2
Timeline
- 2026-09-25: disclosed: ESA-2026-181 published
- 2026-09-26: patched: Fixed in Kibana 8.19.22, 9.4.7, 9.5.3