Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-78593— Improper Control of Generation of Code in Kibana Leading to Privilege Escalation

Quick assessment

Affected
Elastic Kibana
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Kibana 中 Cribl 集成里的一个配置字段验证不足，允许持有 Kibana Fleet 管理权限的已认证用户将攻击者可控的表达式注入到服务器端的脚本模板中，从而导致生成的 Elasticsearch 摄取管道（ingest pipeline）超出了调用者所获授权的 Elasticsearch 权限范围。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1059.001 · PowerShell

Affected Version Matrix 3

VendorProduct Version RangeStatus
Elastic Kibana 8.0.0≤ 8.19.20 affected
9.0.0≤ 9.4.5 affected
9.5.0≤ 9.5.2 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-78593

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Improper Control of Generation of Code in Kibana Leading to Privilege Escalation
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Elastic Kibana 8.0.0 ~ 8.19.20 -

II. Public POCs for CVE-2026-78593

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-78593

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-78593 (1)

Same Patch Batch · Elastic · 2026-09-03 · 7 CVEs total

CVE-2026-82302 8.1 HIGH Incorrect Authorization in Kibana Leading to Unauthorized Configuration Modification
CVE-2026-78583 8.1 HIGH Incorrect Authorization in Kibana Leading to Privilege Escalation
CVE-2026-82299 6.5 MEDIUM Incorrect Authorization in Kibana Leading to Information Disclosure
CVE-2026-82298 4.3 MEDIUM Incorrect Authorization in Kibana Leading to Denial of Service
CVE-2026-78596 4.3 MEDIUM Missing Authorization in Kibana Leading to Unauthorized Cross-Space Write Operations
CVE-2026-78595 4.3 MEDIUM Missing Authorization in Kibana Fleet Plugin Leading to Cross-Space Agent Data Disclosure

IV. Related Vulnerabilities

Same product: Kibana
Same vendor: Elastic
Same weakness: CWE-94

V. Comments for CVE-2026-78593

No comments yet

Leave a comment