CVE-2026-78602

Improper Limitation of a Pathname to a Restricted Directory in Elastic Maps Server Leading to Unauthorized File Disclosure

State: Published
Severity: 5.3 Medium
Published: Sep 2, 2026
Updated: Sep 2, 2026
Reserved: Aug 24, 2026

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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.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N	elastic

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
Elastic Maps ServerElastic	8.19.11 through 8.19.18Affected 9.3.0 through 9.4.3Affected 9.5.0Affected

References

https://discuss.elastic.co/t/elastic-maps-server-8-19-19-9-4-4-9-5-1-security-update-esa-2026-148/390108

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