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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-78595— Missing Authorization in Kibana Fleet Plugin Leading to Cross-Space Agent Data Disclosure

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 缺少授权检查，导致信息泄露 Kibana 的 Fleet 功能中存在缺失授权检查的问题（CWE-862），可能通过权限滥用（CAPEC-122）导致信息泄露。具体来说，在 Kibana 的某个 Space 中拥有 Fleet 代理只读权限的已认证用户，能够枚举并访问归属于其他 Kibana Space 中已注册代理的诊断内容。

CVSS 4.3 · Medium

Affected Version Matrix 2

VendorProduct Version RangeStatus
Elastic Kibana 9.1.0≤ 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-2026-78595

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Missing Authorization in Kibana Fleet Plugin Leading to Cross-Space Agent Data Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authorization in Kibana Leading to Information Disclosure / Missing Authorization (CWE-862) in the Kibana Fleet feature can lead to information disclosure via Privilege Abuse (CAPEC-122). An authenticated user holding read-level Fleet agent privileges in one Kibana space could enumerate agent metadata and access diagnostic content belonging to agents enrolled in other Kibana spaces.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Elastic Kibana 9.1.0 ~ 9.4.5 -

II. Public POCs for CVE-2026-78595

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-78595

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-78595 (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-2026-78593 4.3 MEDIUM Improper Control of Generation of Code in Kibana Leading to Privilege Escalation

IV. Related Vulnerabilities

Same product: Kibana
Same vendor: Elastic
Same weakness: CWE-862

V. Comments for CVE-2026-78595

No comments yet

Leave a comment