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PHP EUVDEUVD-2026-22300

| CVE-2026-38529 HIGH
Improper Privilege Management (CWE-269)
2026-04-14 mitre GHSA-r8rp-5f55-5j9x
8.8
CVSS 3.1 · NVD
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Attack ChainAIDerived

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

  1. Recon
    Obtain low-privilege credentials
  2. Delivery
    Authenticate to Krayin CRM
  3. Exploit
    Intercept password reset request
  4. Install
    Modify user ID to target victim
  5. C2
    Bypass BOLA controls
  6. Execute
    Reset victim password
  7. Impact
    Authenticate as compromised user
  8. Step 8
    Exfiltrate CRM data

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A06:2025 - Insecure Design
ASVS 5.0
V8 - Authorization Least privilege enforcement
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.

Exploitation Conditions

Authenticated attacker with any user account on Webkul Krayin CRM v2.2.x. Attacker crafts HTTP request to /Settings/UserController.php endpoint to reset arbitrary user passwords. No victim interaction required. Default configurations affected.

Impact

This vulnerability presents significant real-world risk despite requiring initial authentication. The CVSS score of 8.8 reflects the severe impact: remote network attack vector (AV:N), low attack complexity requiring no special conditions (AC:L), requiring only low-privilege credentials (PR:L), and resulting in complete compromise of confidentiality, integrity, and availability (C:H/I:H/A:H). The lack of scope change (S:U) indicates the attacker remains within the same security context, but complete account takeover enables lateral movement to administrative accounts if present. BOLA/IDOR vulnerabilities are consistently ranked in OWASP API Security Top 10 (#1 in 2023) due to widespread occurrence and ease of exploitation. The public availability of exploit details in the researcher's GitHub security advisory significantly lowers the barrier to exploitation. While no EPSS score is available and CISA KEV does not list this CVE, the combination of low technical barrier, publicly documented exploit methodology, and high impact makes this a realistic priority for organizations running Krayin CRM. Authenticated access requirement provides some defense-in-depth, but common scenarios like credential stuffing, phishing, or compromised low-privilege service accounts make the PR:L threshold readily achievable for motivated attackers.

Exploit ScenarioDerived

An attacker with valid low-privilege credentials (such as a basic customer account or compromised sales representative login) authenticates to the Krayin CRM application and identifies the password reset functionality in the /Settings/UserController.php endpoint. By intercepting and modifying HTTP requests, the attacker replaces their own user identifier with the target administrator's user ID in the password reset request payload. Due to missing object-level authorization checks, the application processes the request and resets the administrator's password to an attacker-controlled value. The attacker then authenticates as the administrator, gaining full access to the CRM system including sensitive customer data, business relationships, sales pipelines, and administrative configuration. Publicly available exploit code exists per researcher disclosure, providing detailed exploitation methodology that reduces technical barriers for threat actors.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Apr 14, 2026

Authenticated attackers can reset arbitrary user passwords in Webkul Krayin CRM v2.2.x through a Broken Object-Level Authorization (BOLA) vulnerability in the /Settings/UserController.php endpoint, enabling full account takeover of any user account. The attack requires low-privilege authentication (PR:L) and is exploitable remotely with low complexity (AV:N/AC:L), presenting an 8.8 CVSS severity with high impact to confidentiality, integrity, and availability. EPSS data not available; no CISA KEV listing identified; publicly available exploit code exists per researcher disclosure.

RemediationAI

Organizations running Krayin CRM v2.2.x should immediately review the researcher's security advisory at github.com/TREXNEGRO/Security-Advisories/tree/main/CVE-2026-38529 for specific remediation guidance and monitor the official Krayin repository at github.com/krayin/laravel-crm for patch releases addressing CVE-2026-38529. Released patched version not independently confirmed from available data. Interim mitigations include implementing additional authorization checks in reverse proxy or web application firewall rules to validate that password reset requests only target the authenticated user's own account, restricting network access to the /Settings/UserController.php endpoint to trusted IP ranges, enabling comprehensive audit logging for all password reset operations to detect unauthorized attempts, and conducting access reviews to ensure low-privilege accounts cannot access administrative settings endpoints. Organizations should upgrade to the patched version immediately upon release and verify that object-level authorization controls are properly implemented across all user management endpoints.

Affected VersionsENISA

n/a n/a

Affected Packages

composer krayin/laravel-crm no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in composer

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

Technical ContextAI · show details

Broken Object-Level Authorization (BOLA) vulnerabilities occur when applications fail to validate whether an authenticated user has permission to access or modify specific objects, allowing horizontal privilege escalation. In this case, the /Settings/UserController.php endpoint in Krayin CRM - a Laravel-based open-source customer relationship management application - fails to verify that the authenticated requester has authorization to reset passwords for user objects beyond their own account. The PHP-based endpoint accepts user identifiers in HTTP requests without proper access control checks, allowing any authenticated user to manipulate password reset operations for other users by supplying crafted user IDs. This represents a critical API security flaw where object-level permissions are not enforced at the controller layer, violating the principle of least privilege in multi-tenant or multi-user systems.

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Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

DescriptionCVE.org

A Broken Object-Level Authorization (BOLA) in the /Settings/UserController.php endpoint of Webkul Krayin CRM v2.2.x allows authenticated attackers to arbitrarily reset user passwords and perform a full account takeover via supplying a crafted HTTP request.

Executive ViewAI

Why It Matters

Webkul Krayin CRM v2.2.x contains a critical authentication bypass flaw that allows any authenticated user to reset passwords for arbitrary accounts, resulting in complete account compromise across your CRM user base. This vulnerability directly threatens customer data confidentiality, transaction integrity, and operational availability, requiring immediate containment while awaiting vendor remediation.

Business Impact: Severe
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: (1) Restrict network-level access to /Settings/UserController.php endpoint using Web Application Firewall (WAF) rules to block authenticated requests to password reset functions; (2) enforce multi-factor authentication (MFA) for all CRM user accounts to prevent account takeover even if credentials are compromised; (3) implement detailed audit logging for all password reset and account modification events; (4) reduce privilege scope of non-administrative accounts pending patch availability; (5) isolate CRM environment from critical business systems until patched.

Threat Intelligence Overview

EPSS Score
0.0%
Top 90% exploitable
Threat Intel
1
1 source
Data Quality
6 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment GHSA 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 0.0%
Patch available No
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
None
System Exposure· derived
Open
Automatable
No
Human Impact
Very High
Technical Impact
Total

Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +44
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Privilege escalation occurs when an attacker leverages flaws in access control mechanisms to gain permissions beyond what they were originally granted.

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