Path Traversal in Vita3k
CVE-2026-112049
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/Vita3K/Vita3K/issues/4254 (issue-tracking)
- github.com/Vita3K/Vita3K/commit/55f88cd17a78ce8af7d753c7c4eb2f709f7d6dbc (patch)
- github.com/Vita3K/Vita3K/blob/f0273e4cd9b860ea77c44c73d9f5c5b1ed5fa8ab/vita3k/i… (technical-description)
- www.vulncheck.com/advisories/vita3k-before-build-4187-path-traversal-via-vpk-pa… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-112049?
- CVE-2026-112049 is a medium-severity vulnerability in Vita3k, classified under Path Traversal. CVSS score: 5.5/10. Published 2026-10-18.
- How severe is CVE-2026-112049?
- Medium severity. CVSS v3 base score is 5.5 out of 10.