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Laravel CVE-2026-21446

CRITICAL
Missing Authentication for Critical Function (CWE-306)
2026-01-02 security-advisories@github.com GHSA-6h7w-v2xr-mqvw
Laravel Bagisto
9.8
CVSS 3.1 · GitHub Advisory
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Severity by source

GitHub Advisory PRIMARY
9.8 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Jan 08, 2026 - 21:25 vuln.today
Public exploit code
Patch released
Jan 08, 2026 - 21:25 nvd
Patch available
CVE Published
Jan 02, 2026 - 20:16 nvd
CRITICAL 9.8

DescriptionGitHub Advisory

Bagisto is an open source laravel eCommerce platform. In versions on the 2.3 branch prior to 2.3.10, API routes remain active even after initial installation is complete. The underlying API endpoints (/install/api/*) are directly accessible and exploitable without any authentication. An attacker can bypass the Ib installer entirely by calling the API endpoints directly. This allows any unauthenticated attacker to create admin accounts, modify application configurations, and potentially overwrite existing data. Version 2.3.10 fixes the issue.

AnalysisAI

Bagisto eCommerce platform (2.3 branch before 2.3.10) leaves installation API routes active after setup, allowing unauthenticated attackers to re-run the installer and take full control of the store including database credentials and admin account. PoC available.

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send unauthenticated HTTP request to /install/api endpoint
Exploit
Bypass installer authentication checks
Execution
Create admin account or modify configuration
Impact
Gain full application control
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Vulnerability AssessmentAI

Exploitation Bagisto 2.3.x versions prior to 2.3.10 with /install/api/* endpoints exposed and accessible without authentication. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 9.8 (Critical). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker discovers a Bagisto store, calls /install/api/environment to point the database to their own server, or calls the admin creation endpoint to create a new superadmin account, gaining full control of the ecommerce platform.
Remediation Update to Bagisto 2.3.10 or later. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours: Identify all affected systems running versions on the 2.3 branch and apply vendor patches immediately. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-21446 vulnerability details – vuln.today
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