CVE-2026-78593
Last modified
CVE-2026-78593 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. An insufficiently validated configuration field in Kibana's Cribl integration allows an authenticated user holding Kibana Fleet management privileges to inject attacker-controlled expressions into a server-side script template, resulting in an Elasticsearch ingest pipeline being written beyond the caller's authorized Elasticsearch permissions.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.
Description
An insufficiently validated configuration field in Kibana's Cribl integration allows an authenticated user holding Kibana Fleet management privileges to inject attacker-controlled expressions into a server-side script template, resulting in an Elasticsearch ingest pipeline being written beyond the caller's authorized Elasticsearch permissions.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Elastic | Kibana | >= 8.0.0, <= 8.19.20; >= 9.0.0, <= 9.4.5; >= 9.5.0, <= 9.5.2 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-78593?
How severe is CVE-2026-78593?
How do I fix CVE-2026-78593?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-78587Incorrect Authorization (CWE-863) in Fleet Server can lead t…3.1
- CVE-2026-78588Allocation of Resources Without Limits or Throttling (CWE-77…6.5
- CVE-2026-7859The Motors WordPress plugin before 1.4.110 does not have pr…5.3
- CVE-2026-78590Improper Limitation of a Pathname to a Restricted Directory …7.3
- CVE-2026-78591Improper Limitation of a Pathname to a Restricted Directory …6.3
- CVE-2026-78592Improper Limitation of a Pathname to a Restricted Directory …7.3
- CVE-2026-78594Improper Handling of Highly Compressed Data (CWE-409) in APM…4.9
- CVE-2026-78595Missing Authorization in Kibana Leading to Information Discl…4.3
- CVE-2026-78596Missing Authorization in Kibana Leading to Unauthorized Modi…4.3
- CVE-2026-78597Missing Authorization (CWE-862) in the Kibana Entity Store f…4.3
- CVE-2026-78598Incorrect Authorization (CWE-863) in the Kibana machine lear…5.4
- CVE-2026-78599Improper Limitation of a Pathname to a Restricted Directory …6.5
Are you affected by CVE-2026-78593?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST