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  5. CVE-2026-21449

CVE-2026-21449: Bagisto is vulnerable to SSTI via name parameters provided by non-admin low-privilege users

January 2, 2026 (updated January 8, 2026)

SSTI is possible via first name and last name parameters provided by lowest-privileged users.

References

  • github.com/advisories/GHSA-mqhg-v22x-pqj8
  • github.com/bagisto/bagisto
  • github.com/bagisto/bagisto/commit/4144931da0014c696f9126132ce44d7cfbdb2761
  • github.com/bagisto/bagisto/releases/tag/v2.3.10
  • github.com/bagisto/bagisto/security/advisories/GHSA-mqhg-v22x-pqj8
  • nvd.nist.gov/vuln/detail/CVE-2026-21449

Code Behaviors & Features

Detect and mitigate CVE-2026-21449 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 2.3.10

Fixed versions

  • 2.3.10

Solution

Upgrade to version 2.3.10 or above.

Impact 8.8 HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-1336: Improper Neutralization of Special Elements Used in a Template Engine

Source file

packagist/bagisto/bagisto/CVE-2026-21449.yml

Spotted a mistake? Edit the file on GitLab.

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