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CVE-2026-21449 — Vulnerability in bagisto/bagisto — CVE Details

HIGH

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

Published January 2, 2026Updated February 3, 2026Source: osv

Summary

### Summary SSTI is possible via first name and last name parameters provided by lowest-privileged users. ### Details 1. Go to `http://127.0.0.1:8000/` and login or signup 2. Go to `http://127.0.0.1:8000/customer/account/profile` 3. Now edit the first name and last name to {{7*7}} 4. Notice it appears as 49 ### POC - Video attached with the report: https://github.com/user-attachments/assets/f93932b5-2a57-4f34-897e-4151a5168912 ### Impact This can lead to RCE, command injection.

Advisory Timeline

  • First published January 2, 2026 (283 days ago).
  • Last revised February 3, 2026 — 31 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update bagisto/bagisto to 2.3.10 or later
composer require "bagisto/bagisto:^2.3.10"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
bagisto/bagisto
packagist
v0.1.0, v0.1.1, v0.1.2, v0.1.3 (+62 more)2.3.10

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2026-21449?
Bagisto is vulnerable to SSTI via name parameters provided by non-admin low-privilege users This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2026-21449?
CVE-2026-21449 affects bagisto/bagisto. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2026-21449 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-mqhg-v22x-pqj8

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