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Critical, CVSS 9.9amended

FacturaScripts: Authenticated SQL injection in the FacturaScripts REST API filter parameter via parenthesis bypass in Where::sqlColumn

CVE-2026-45262GHSA-5qmh-x653-g8qj

What to do

Vendor fix available. Upgrade each affected package to the fixed version on its release line (facturascripts/facturascripts 2026.2), redeploy, then verify what is actually installed.

This page has no inventory attached, so it cannot say whether you are affected. A vendor fix is not proof that your deployment is fixed.

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Affected packages

Sources

Severity and exploitation
Exploitation
No confirmed exploitation recorded. Patch Next marks exploitation only from CISA KEV.
CVSS
9.9 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS
No dated EPSS signal available.
Source description

As published by the source; long descriptions are shortened.

Summary > Live PoC verified 2026-04-30 against a stock FacturaScripts master at `127.0.0.1:8081`. A scoped `ApiKey` with `fullaccess=0` and an `ApiAccess` row granting `allowget=1` on the `clientes` resource only (no other rights, no UI session, no admin) issued one `GET /api/3/clientes?filter[(0)UNION%20SELECT%20...]=` request and the response body contained the raw bcrypt hash of the admin user's password (`$2y$12$sLfA/XCqnjqLmYJwK.2V7eUHrHTHcQfkTYYfs1.lxX3OHrsmmkMGO`) and the admin's `logkey` cookie value. The leaked `logkey` was injected into a fresh cookie jar and `GET /AdminPlugins` returned 200 with the admin plugin management UI. End-to-end account takeover from a read-only token with no CSRF, no second factor, no rate-limit interaction beyond the default 5-incident IP throttle. `Core/Where.php::sqlColumn()` exempts any field name that contains both `(` and `)` from identifier escaping. The two API filter builders (`APIModel::getWhereValues` and…

Dates and revisions
Published by the source
Last modified by the source
Source last checked
  1. Revision 3 · amended ·

    Amended from osv record GHSA-5qmh-x653-g8qj

  2. Revision 2 · amended ·

    Amended from ghsa record GHSA-5qmh-x653-g8qj

  3. Revision 1 · created ·

    Published from ghsa record GHSA-5qmh-x653-g8qj

Agent brief

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# Patch Next advisory brief: CVE-2026-45262

Advisory: FacturaScripts: Authenticated SQL injection in the FacturaScripts REST API filter parameter via parenthesis bypass in `Where::sqlColumn`
IDs: CVE-2026-45262, GHSA-5qmh-x653-g8qj
Record: https://patchnext.com/advisories/cve-2026-45262 (revision 3, source checked 3 Nov 2026, 06:10 UTC)
Inventory: none attached. This brief comes from a public page and does not say whether any deployment is affected.
Severity: Critical (CVSS 9.9)
Exploitation: no confirmed exploitation recorded. Patch Next confirms exploitation only from CISA KEV.
Vendor response: Vendor fix available; fixed versions by package: facturascripts/facturascripts 2026.2. A vendor fix does not mean a deployment is fixed.

## Affected components
- Packagist facturascripts/facturascripts: affected < 2026.2; fixed in 2026.2

## Suggested inspection (read-only)
- Packagist facturascripts/facturascripts: check the installed version with your package manager.

## Supported action
Upgrade each affected component to a fixed version on its release line. For a transitive dependency, upgrade the parent package or add an override or constraint, then regenerate the lockfile. Redeploy every environment that ran an affected version.

## Required regression checks
- Run the test suite and a production build.
- Exercise the features that depend on facturascripts/facturascripts.
- Repeat the inspection and confirm that only fixed versions remain installed.

## Rollback considerations
- Keep the previous lockfile and deployment artifact. Rolling back reinstates the vulnerable version, so apply any documented mitigation while you fix forward.

## Unresolved questions
- Which deployments run an affected version?
- Exploitation status can change. Check again before lowering the priority.
- Mark the work resolved only after the fixed version is verified in production.

## Sources
- Verified: https://github.com/advisories/GHSA-5qmh-x653-g8qj (GitHub-reviewed advisory GHSA-5qmh-x653-g8qj lists affected ranges: Packagist facturascripts/facturascripts >=0 <=2026.1)
- Verified: https://osv.dev/vulnerability/GHSA-5qmh-x653-g8qj (OSV record GHSA-5qmh-x653-g8qj lists affected ranges: Packagist facturascripts/facturascripts >=0 <2026.2 (fixed))

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