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Lara Dashboard CVE-2026-86437

| EUVDEUVD-2026-72533 HIGH
Incorrect Authorization (CWE-863)
2026-09-07 disclosure@vulncheck.com GHSA-849q-7g6r-c83p
PHP
8.6
CVSS 4.0 · Vendor: vulncheck
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Obtain admin credentials with settings.edit permission
  2. Delivery
    Craft malicious zip containing modified routes/web.php
  3. Exploit
    Upload archive to POST /admin/settings/core-upgrades/upload
  4. Execution
    Application extracts zip over live source tree
  5. Persist
    Malicious PHP executes on next HTTP request
  6. Impact
    Exfiltrate .env secrets and database credentials

Vulnerability Assessment

Weakness
CWE
CWE-863
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization logic validation
MITRE ATT&CK

1 technique across 1 tactic: Privilege Escalation

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

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Exploitation Conditions

Exploitation requires an authenticated administrator account that holds the settings.edit permission but is not a Superadmin - specifically a lower-privileged admin role that has been granted settings.edit. Installations where all administrative users are Superadmins, or where settings.edit is restricted exclusively to Superadmins, are not exploitable. External unauthenticated attackers cannot exploit this without first obtaining admin credentials. The constraint limiting exploitation is the PR:H requirement: admin-level authenticated access (not merely a registered user) is mandatory.
Impact

CVSS 4.0 scores this 8.6 with PR:H, reflecting that admin credentials are an absolute prerequisite, substantially limiting the attack surface to insiders or compromised admin accounts. Real-world risk is elevated specifically in multi-tenant or shared-admin deployments where non-Superadmin administrators exist and are expected to be restricted from core system operations - the classic confused-deputy pattern between role tiers. EPSS data is not provided in the input and cannot be assessed. No CISA KEV listing exists and no POC is known at time of analysis. The 'Authentication Bypass' tag in the input is inaccurate: exploitation requires authenticated admin access; the flaw is privilege escalation within an authenticated session, not a bypass of the authentication mechanism. The provided CVSS 4.0 vector marks SC:N/SI:N/SA:N (no subsequent-system impact), which is arguably conservative given that code execution as the web server user provides access to environment secrets and database credentials - resources that clearly span beyond the application boundary; this discrepancy is noted.
Exploit ScenarioDerived

An authenticated administrator with the settings.edit permission crafts a zip archive containing a modified routes/web.php file with a PHP shell_exec() payload embedded in a route closure. The attacker uploads this archive to POST /admin/settings/core-upgrades/upload; the server extracts it over the live source tree. On the next HTTP request to the injected route, the command executes as the web server user, enabling exfiltration of .env secrets - including database credentials and application keys - from the server filesystem.
This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
Patch available 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 07, 2026

Incorrect authorization in Lara Dashboard before v1.3.2 permits any administrator holding the settings.edit permission - not just Superadmins - to upload arbitrary zip archives to the core upgrade endpoint, overwriting live PHP application source files. An authenticated non-Superadmin administrator can inject system commands into files such as routes/web.php, achieving code execution as the web server user with access to .env secrets and database credentials. No public exploit has been identified at time of analysis; a vendor-released patch (v1.3.2) is available and the fix is confirmed by GHSA-xv98-x5h7-4g7v.

RemediationAI

Upgrade to Lara Dashboard v1.3.2, released at github.com/laradashboard/laradashboard/releases/tag/v1.3.2 and patched via commit 738cc1a219ce459323ef1d09c3789075f1b8d2f2. The security advisory is documented at GHSA-xv98-x5h7-4g7v and the VulnCheck advisory at vulncheck.com/advisories/lara-dashboard-before-1.3.2-incorrect-authorization-in-core-upgrade-archive-upload. If immediate upgrade is not feasible, block access to POST /admin/settings/core-upgrades/upload at the web server or reverse proxy layer for all non-Superadmin roles. As an alternative compensating control, remove the settings.edit permission from any administrator role that should not be able to perform core upgrades; note this may affect legitimate settings-editing workflows for those roles.

Affected VersionsENISA

laradashboard 0 <1.3.2

Affected Packages

euvd laradashboard fix: 1.3.2

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

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Technical ContextAI · show details

Lara Dashboard is a PHP/Laravel-based administrative panel. The vulnerable endpoint POST /admin/settings/core-upgrades/upload is governed by UploadRequest.php (L15-L18) and SettingPolicy.php (L47-L50), which authorize the operation on the settings.edit permission alone rather than enforcing Superadmin role. CoreUpgradeService.php (L543-L577) extracts the uploaded archive directly over the live application source tree without additional role verification. CWE-863 (Incorrect Authorization) applies: an authorization check is performed but the permission gate is insufficient for the sensitivity of the operation, conflating a routine settings-edit privilege with the destructive capability of replacing application source code. Laravel's FormRequest authorization layer is the intended enforcement point, and the fix (commit 738cc1a) tightens that gate to Superadmin-only.

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Severity by source

Vendor (vulncheck) PRIMARY 8.6 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
vuln.today AI 9.1 CRITICAL

Admin credentials required (PR:H); scope change applies because web-server-user code execution exposes env secrets and database beyond the application boundary.

3.1 AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:N

Primary rating from Vendor (vulncheck).

CVSS VectorVendor: vulncheck

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Vulnerable system: Confidentiality
High
Vulnerable system: Integrity
High
Vulnerable system: Availability
High
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
Patch available
Sep 07, 2026 - 23:02 EUVD
CVE Published
Sep 07, 2026 - 22:17 cve.org
HIGH 8.6

DescriptionCVE.org

Lara Dashboard before 1.3.2 authorizes the POST /admin/settings/core-upgrades/upload endpoint with only the settings.edit permission, allowing non-Superadmin administrators to upload and extract arbitrary zip archives over the live application source code. Attackers can upload a malicious archive containing modified application files such as routes/web.php with embedded system commands, which execute as the web server user with access to environment secrets and database credentials.

Articles & Coverage 1

News 3 New PHP Vulnerabilities - 3 High Severity Sep 08, 2026

Technical POC Analysis

The flaw is an authorization granularity bug in LaraDashboard's own admin backend, chained with an unrestricted code-replacement upload.

Full technical POC analysis - root cause, step-by-step exploitation and patch breakdown - is part of the Pro and Business plans.

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Executive ViewAI

Why It Matters

Lara Dashboard versions prior to 1.3.2 contain an authorization flaw that allows authenticated administrators with routine settings.edit permissions to upload and execute arbitrary code on production servers, obtaining direct access to environment secrets and database credentials. Organizations relying on Lara Dashboard face direct operational risk from insider threats and compromised administrator accounts leading to data exfiltration and application takeover.

Business Impact: High
Compensating Controls

Apply vendor patch.

Threat Intelligence Overview

EPSS Score
0.4%
Top 68% exploitable
Prevalence
Rare
niche open-source Laravel admin panel, minimal enterprise footprint
Social Media
1
Sightings
Data Quality
6 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment CIRCL GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.4%
Patch available Yes
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
Poc
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

43
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +43
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

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References

Advisories & patches
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2026-86437 REF https://github.com/laradashboard/laradashboard REF https://github.com/laradashboard/laradashboard/blob/v1.3.1/app/Http/Requests/CoreUpgrade/UploadRequest.php#L15-L18 REF https://github.com/laradashboard/laradashboard/blob/v1.3.1/app/Policies/SettingPolicy.php#L47-L50 REF https://github.com/laradashboard/laradashboard/blob/v1.3.1/app/Services/CoreUpgradeService.php#L543-L577 REF https://github.com/laradashboard/laradashboard/commit/738cc1a219ce459323ef1d09c3789075f1b8d2f2 REF https://github.com/laradashboard/laradashboard/releases/tag/v1.3.2 REF https://github.com/laradashboard/laradashboard/security/advisories/GHSA-xv98-x5h7-4g7v REF https://www.vulncheck.com/advisories/lara-dashboard-before-1.3.2-incorrect-authorization-in-core-upgrade-archive-upload

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