CVE-2026-2818 Zip Slip Path Traversal in Snapshot Archive Extraction (Windows-Specific)

High 8.2 Published Updated

Attackers can write files outside the intended directory via zip-slip in Spring Data Geode snapshot imports on Windows.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-2818?

CVE-2026-2818 is a high-severity path traversal vulnerability in VMware Spring Data Gemfire, published on 20 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A zip-slip path traversal vulnerability in Spring Data Geode's import snapshot functionality allows attackers to write files outside the intended extraction directory. This vulnerability appears to be susceptible on Windows OS only.

Weakness: CWE-22, CWE-23

Which versions are affected by CVE-2026-2818?

How do I fix CVE-2026-2818?

No fix has been published for CVE-2026-2818 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-2026-2818 being exploited?

There is no known exploitation of CVE-2026-2818 in the wild and no public exploit code.

Sources

Also known as GHSA-xq4j-x39q-xhqm.

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