Path Traversal in Piwigo
CVE-2026-84441
A security vulnerability has been detected in Piwigo up to 16.3.0. Affected by this issue is some unknown functionality of the file i.php of the component Image Derivative Handler. The manipulation leads to path traversal. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.006 (46.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.006 · change: +0.002
Affected products
- Piwigo — versions 16.0, 16.1, 16.2
Weakness classification (CWE)
References
- vuldb.com/vuln/397806 (vdb-entry)
- vuldb.com/vuln/397806/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-84441 (third-party-advisory)
- vuldb.com/submit/885229 (third-party-advisory)
- github.com/Leousum/VulnPoC/blob/main/Piwigo 16.3.0/unauthenticated_derivative_p… (exploit)
Frequently asked questions
- What is CVE-2026-84441?
- CVE-2026-84441 is a high-severity vulnerability in Piwigo, classified under Path Traversal. CVSS score: 7.3/10. Published 2026-09-02.
- How severe is CVE-2026-84441?
- High severity. CVSS v3 base score is 7.3 out of 10.