SQL Injection in Piwigo
CVE-2026-27834
Piwigo is an open source photo gallery application for the web. Prior to version 16.3.0, a SQL Injection vulnerability exists in the pwg.users.getList Web Service API method. The filter parameter is directly concatenated into a SQL query without proper sanitization, allowing authenticated administrators to execute arbitrary SQL commands. This issue has been patched in version 16.3.0.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.005 (42.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.7% 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: 0.005 · change: +0.002
Affected products
- Piwigo — versions < 16.3.0
Weakness classification (CWE)
References
- github.com/Piwigo/Piwigo/security/advisories/GHSA-5jwg-cr5q-vjq2 (Exploit, Mitigation, Vendor Advisory)
- github.com/Piwigo/Piwigo/commit/9df471f16243371dc3725c5262e1632d23c8218a (Patch)
- piwigo.org/release-16.3.0 (Release Notes)
Frequently asked questions
- What is CVE-2026-27834?
- CVE-2026-27834 is a high-severity vulnerability in Piwigo, classified under SQL Injection. CVSS score: 7.2/10. Published 2026-04-03.
- How severe is CVE-2026-27834?
- High severity. CVSS v3 base score is 7.2 out of 10.