CVE-2026-78602 Path traversal in Elastic Maps Server
An unauthenticated attacker can exploit a path traversal flaw in Elastic Maps Server to read arbitrary files from the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-78602?
CVE-2026-78602 is a medium-severity path traversal vulnerability in Elastic Maps Server, published on 2 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-22
Which versions are affected by CVE-2026-78602?
It affects 1 product.
Products include Elastic Maps Server.
How do I fix CVE-2026-78602?
No fix has been published for CVE-2026-78602 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-78602 being exploited?
There is no known exploitation of CVE-2026-78602 in the wild and no public exploit code.
Sources
Also known as GHSA-3435-h7j6-qq7r.