CVE-2026-28518 OpenViking .ovpack Import ZIP Slip Path Traversal

High 8.4 Published Updated

Attackers can exploit path traversal in OpenViking's .ovpack import to write arbitrary files, potentially leading to code execution.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-28518?

CVE-2026-28518 is a high-severity path traversal vulnerability in Volcengine OpenViking, published on 3 Mar 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

OpenViking versions 0.2.1 and prior, fixed in commit 46b3e76, contain a path traversal vulnerability in the .ovpack import handling that allows attackers to write files outside the intended import directory. Attackers can craft malicious ZIP archives with traversal sequences, absolute paths, or drive prefixes in member names to overwrite or create arbitrary files with the importing process privileges.

Weakness: CWE-22

Which versions are affected by CVE-2026-28518?

3 open source packages ship an affected version, including openviking. It affects 1 product.

PackageAffectedFixed in
openviking PyPIAll versions to 0.2.1None
openviking PyPIAll versions to 0.2.1None
openviking PyPIAll versions to 0.2.1None

Products include Volcengine Openviking.

How do I fix CVE-2026-28518?

No fix has been published for CVE-2026-28518 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-2026-28518 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-28518 exists.

Sources

Also known as GHSA-rpqr-j937-6qr9, PYSEC-2026-2856.

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