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.

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

EPSS: 0.004 (29.8th percentile) — read the EPSS interpretation.

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.

Affected products

Piwigo — versions < 16.3.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Mitigation, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)
security-advisories@github.com (x_refsource_MISC, 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.