What is the CVSS score of CVE-2026-0945?

CVE-2026-0945 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2026-0945?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Role Delegation CVE-2026-0945

HIGH

Privilege Defined With Unsafe Actions (CWE-267)

2026-02-04 mlhess@drupal.org

Privilege Escalation Role Delegation

8.8

CVSS 3.1 · NVD

View

Attack ChainAIDerived

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

Access

Authenticate as low-privilege user
Exploit

Access Role Delegation module
Execution

Assign elevated permissions via unsafe delegation mechanism
Impact

Escalate privileges to administrative level

Vulnerability Assessment

Weakness	CWE CWE-267 OWASP Top 10:2025 A06:2021 - Vulnerable and Outdated Components ASVS 5.0 V8 - Authorization Privilege defined with unsafe actions
Exploitation Conditions	Drupal Role Delegation module versions 1.3.0 through 1.4.x installed and enabled. Attacker requires authenticated user account with permission to access Role Delegation delegation features. Vulnerable configuration allows delegated users to assign roles with unrestricted elevated permissions.
Impact	CVSS 5.4 (MEDIUM). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None.
Exploit ScenarioDerived	An attacker could exploit this vulnerability to compromise the affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

The Drupal Role Delegation module versions 1.3.0 through 1.5.0 contains an unsafe privilege definition vulnerability that permits authenticated users with delegation permissions to escalate their privileges within the application. An attacker with limited account access could exploit this flaw to gain elevated permissions and modify system settings or access restricted functionality. No patch is currently available for this vulnerability.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 21:54 CVSS 8.8

Privilege Defined With Unsafe Actions vulnerability in Drupal Role Delegation allows Privilege Escalation.This issue affects Role Delegation: from 1.3.0 before 1.5.0. [CVSS 5.4 MEDIUM]

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Affected Packages

composer drupal/role_delegation fix: 1.5.0

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

Affects from 1.3.0. Privilege Defined With Unsafe Actions vulnerability in Drupal Role Delegation allows Privilege Escalation.This issue affects Role Delegation: from 1.3.0 before 1.5.0.

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Exploit and PoC references, threat intelligence from 22 sources

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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

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

CVE Published

Feb 04, 2026 - 21:15 nvd

HIGH 8.8

DescriptionCVE.org

Privilege Defined With Unsafe Actions vulnerability in Drupal Role Delegation allows Privilege Escalation.This issue affects Role Delegation: from 1.3.0 before 1.5.0.

Executive ViewAI

Why It Matters

Organizations using Privilege Defined With Unsafe Actions vulnerability in Drupal Role Delegation should be aware of moderate risk from CVE-2026-0945 rated CVSS 5.4. Exploitation could compromise the security of affected deployments. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.0%

Top 99% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

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 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· derived

Defer

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +44

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Privilege Escalation HIGH

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