PT-2026-28100 · Piwigo · Piwigo

Q1Uf3Ng · CVE-2026-27634 · Published 2026-03-25 · Updated 2026-04-03

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Piwigo versions prior to 16.3.0

Description An issue exists where the ws std image sql filter() function fails to perform escaping or type validation on four date filter parameters: f min date available, f max date available, f min date created, and f max date created. These parameters are concatenated directly into SQL queries, allowing an unauthenticated attacker to read the entire database, including user password hashes.

Recommendations Update to version 16.3.0.

Exploit

Fix

SQL injection

Weakness Enumeration

CWE-89

Related Identifiers

CVE-2026-27634

GHSA-MGQC-3445-QGHQ

Affected Products

Piwigo

References · 7

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27634.json · Exploit
• https://github.com/Piwigo/Piwigo/security/advisories/GHSA-mgqc-3445-qghq · Vendor Advisory
• https://github.com/Piwigo/Piwigo/commit/0d5ed1f7778bbe263410446d8cf64594df75bd08 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-27634 · Security Note
• https://osv.dev/vulnerability/CVE-2026-27634 · Vendor Advisory
• https://twitter.com/q1uf3ng/status/2036824777642655889 · Twitter Post
• https://piwigo.org/release-16.3.0 · Note