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Laravel CVE-2026-21450

CRITICAL
Improper Neutralization of Special Elements Used in a Template Engine (CWE-1336)
2026-01-02 security-advisories@github.com GHSA-9hvg-qw5q-wqwp
Laravel RCE 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

3
Patch released
Mar 31, 2026 - 21:13 nvd
Patch available
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
CVE Published
Jan 02, 2026 - 21:16 nvd
CRITICAL 9.8

DescriptionGitHub Advisory

Bagisto is an open source laravel eCommerce platform. Versions prior to 2.3.10 are vulnerable to server-side template injection via type parameter, which can lead to remote code execution or another exploitation. Version 2.3.10 fixes the issue.

AnalysisAI

Bagisto before 2.3.10 has a second server-side template injection vulnerability, this time via the type parameter. Like CVE-2026-21448, this enables remote code execution through the Blade template engine. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Send HTTP request with malicious type parameter
Exploit
Inject server-side template syntax
Execution
Execute arbitrary code on server
Impact
Achieve remote code execution
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Vulnerability AssessmentAI

Exploitation No special conditions — remote unauthenticated exploitation against Bagisto versions prior to 2.3.10 with the type parameter endpoint exposed to network requests. 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 crafts a request with a malicious type parameter containing Blade syntax that executes system commands on the server.
Remediation Update to Bagisto 2.3.10 to fix both SSTI vulnerabilities (CVE-2026-21448 and CVE-2026-21450). Detailed patch versions, workarounds, and compensating controls in full report.
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Within 24 hours: Identify all affected systems and apply vendor patches immediately. …

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CVE-2026-21450 vulnerability details – vuln.today
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