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CVE-2026-78602— Improper Limitation of a Pathname to a Restricted Directory in Elastic Maps Server Leading to Unauthorized File Disclosure

Quick assessment

Affected
Elastic Elastic Maps Server
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.

Elastic Maps Server是荷兰Elastic公司的一个地图服务应用服务器。 Elastic Maps Server 8.19.11版本至8.19.18版本、9.3.0版本至9.4.3版本和9.5.0版本存在路径遍历漏洞，该漏洞源于对受限目录的路径名限制不当，可能导致未经身份验证的攻击者通过网络访问服务，获取预期内容目录之外且服务器进程可读的文件内容，造成信息泄露。

CVSS 5.3 · Medium EPSS 0.56% · P45

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System

Affected Version Matrix 3

VendorProduct Version RangeStatus
Elastic Elastic Maps Server 8.19.11≤ 8.19.18 affected
9.3.0≤ 9.4.3 affected
9.5.0 affected
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I. Basic Information for CVE-2026-78602

Vulnerability Information
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Vulnerability Title
Improper Limitation of a Pathname to a Restricted Directory in Elastic Maps Server Leading to Unauthorized File Disclosure
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (CWE-22) in Elastic Maps Server can lead to information disclosure via Path Traversal (CAPEC-126). An unauthenticated attacker able to reach the service over the network could cause it to return the contents of files outside its intended content directory that are readable by the server process.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Elastic Maps Server 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Elastic Maps Server是荷兰Elastic公司的一个地图服务应用服务器。 Elastic Maps Server 8.19.11版本至8.19.18版本、9.3.0版本至9.4.3版本和9.5.0版本存在路径遍历漏洞，该漏洞源于对受限目录的路径名限制不当，可能导致未经身份验证的攻击者通过网络访问服务，获取预期内容目录之外且服务器进程可读的文件内容，造成信息泄露。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Elastic Elastic Maps Server 8.19.11 ~ 8.19.18 -

II. Public POCs for CVE-2026-78602

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III. Intelligence Information for CVE-2026-78602

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Vendor Pages for CVE-2026-78602 (1)

Same Patch Batch · Elastic · 2026-09-02 · 15 CVEs total

CVE-2026-78604 7.8 HIGH Incorrect Permission Assignment for Critical Resource in Elastic Agent Leading to Local Pr
CVE-2026-78590 7.3 HIGH Improper Limitation of a Pathname to a Restricted Directory in Kibana Leading to Unauthori
CVE-2026-78588 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Filebeat Leading to Denial of Serv
CVE-2026-78586 6.5 MEDIUM Allocation of Resources Without Limits or Throttling in Kibana Leading to Denial of Servic
CVE-2026-78599 6.5 MEDIUM Stored Path Traversal in Kibana Leading to Unauthorized Deletion of Internal Resources
CVE-2026-78591 6.3 MEDIUM Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in Kibana L
CVE-2026-78601 5.5 MEDIUM Missing Authorization in Kibana Leading to Unauthorized Elasticsearch Index Data Exposure
CVE-2026-78609 5.4 MEDIUM Incorrect Authorization in Elastic Cloud on Kubernetes Leading to Unauthorized Modificatio
CVE-2026-78598 5.4 MEDIUM Incorrect Authorization in Kibana Leading to Unauthorized Cross-Space Exposure of Machine
CVE-2026-78594 4.9 MEDIUM Improper Handling of Highly Compressed Data in APM Server Leading to Persistent Denial of
CVE-2026-82293 4.3 MEDIUM Incorrect Authorization in Kibana Leading to Unauthorized Resource Consumption
CVE-2026-78584 4.3 MEDIUM Observable Response Discrepancy in Kibana Leading to Cross-Space Information Disclosure
CVE-2026-78600 3.5 LOW Incomplete Cleanup in Elastic Cloud on Kubernetes Leading to Unauthorized Cross-Namespace
CVE-2026-78587 3.1 LOW Incorrect Authorization in Fleet Server Leading to Denial of Service of Agent Upload Opera

IV. Related Vulnerabilities

Same vendor: Elastic
Same weakness: CWE-22

V. Comments for CVE-2026-78602

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