Vulnerability · Published Oct 18, 2026 · Assigned by VulnCheck

CVE-2026-112049Vita3K before build 4187 Path Traversal via VPK Package Installation

Medium 5.5

In plain English

A medium-severity path traversal in Vita3K from Vita3K. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)0.2%top 95.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Vita3K before build 4187 contains a path traversal (zip slip) vulnerability in install_archive_content() that allows attackers to write files outside the install directory via crafted .vpk archives. Attackers can embed '..' segments or absolute paths in zip entry names to write attacker-controlled files anywhere writable by Vita3K, potentially enabling host code execution.

Affected products (as reported)

Vendor	Product	Versions
Vita3K	Vita3K	0 – before 4187

Weakness: CWE-22 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

References

https://github.com/Vita3K/Vita3K/issues/4254 issue-tracking
https://github.com/Vita3K/Vita3K/commit/55f88cd17a78ce8af7d753c7c4eb2f709f7d6dbc patch
https://github.com/Vita3K/Vita3K/blob/f0273e4cd9b860ea77c44c73d9f5c5b1ed5fa8ab/vita3k/interface.cpp#L219-L234 technical-description
VulnCheck Advisory: Vita3K before build 4187 Path Traversal via VPK Package Installation third-party-advisory