CVE-2026-42398
Last modified
CVE-2026-42398 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. Server-Side Request Forgery (CWE-918) in Kibana allows authenticated users with connector management privileges to bypass the operator-configured connection allowlist. By configuring a Webhook connector with a crafted target, an attacker can cause Kibana to issue outbound requests to destinations that the egress restriction controls were intended to block.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
Description
Server-Side Request Forgery (CWE-918) in Kibana allows authenticated users with connector management privileges to bypass the operator-configured connection allowlist. By configuring a Webhook connector with a crafted target, an attacker can cause Kibana to issue outbound requests to destinations that the egress restriction controls were intended to block.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Elastic | Kibana | >= 9.0.0, < 9.2.8 |
| Elastic | Kibana | >= 9.3.0, < 9.3.2 |
References
Timeline
- Published
- Last Modified
- Status
- Analyzed
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