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

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-78596— Missing Authorization in Kibana Leading to Unauthorized Cross-Space Write Operations

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.

这段描述了一个存在于 Kibana 中的安全漏洞，核心问题是缺少授权检查，导致用户能够进行其权限范围之外的写操作。以下是该段落的中文翻译： Kibana 中缺少授权导致数据被未授权修改 / Kibana 中缺少授权（CWE-862）可能导致数据被未授权修改，进而通过权限滥用（CAPEC-122）造成影响。具体而言，在单个 Kibana 空间中仅拥有安全读取（Security read）权限的已认证用户，可以触发实体分析（Entity Analytics）迁移操作；这些迁移操作会在所有 Kibana 空间中执行具有较

CVSS 4.3 · Medium

Affected Version Matrix 3

VendorProduct Version RangeStatus
Elastic Kibana 8.18.3≤ 8.19.20 affected
9.0.3≤ 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-2026-78596

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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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 Leading to Unauthorized Cross-Space Write Operations
Source: CVE Program / CVE List V5
Vulnerability Description
Missing Authorization in Kibana Leading to Unauthorized Modification of Data / Missing Authorization (CWE-862) in Kibana can lead to unauthorized modification of data via Privilege Abuse (CAPEC-122). An authenticated user holding Security read-level access in a single Kibana space could trigger Entity Analytics migration operations that perform privileged writes across all Kibana spaces, regardless of that user's actual access scope.
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
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Elastic Kibana 8.18.3 ~ 8.19.20 -

II. Public POCs for CVE-2026-78596

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

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-78596

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-78596 (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-2026-78595 4.3 MEDIUM Missing Authorization in Kibana Fleet Plugin Leading to Cross-Space Agent Data Disclosure
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-2026-78596

No comments yet

Leave a comment