VDB-364753 · CVE-2026-8491 · sa-contrib-2026-034

Node View Permissions up to 1.6.x/2.0.0 on Drupal unusual condition

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9	$0-$5k	0.00

Summaryinfo

A vulnerability marked as problematic has been reported in Node View Permissions up to 1.6.x/2.0.0 on Drupal. This issue affects some unknown processing. This manipulation causes unusual condition. This vulnerability appears as CVE-2026-8491. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Node View Permissions up to 1.6.x/2.0.0 on Drupal. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a unusual condition vulnerability. The CWE definition for the vulnerability is CWE-754. The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product. As an impact it is known to affect confidentiality. The summary by CVE is:

Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal Node View Permissions allows Forceful Browsing. This issue affects Node View Permissions: from 0.0.0 before 1.7.0, from 2.0.0 before 2.0.1.

The weakness was presented by Adam Shepherd as sa-contrib-2026-034. The advisory is shared at drupal.org. This vulnerability is known as CVE-2026-8491 since 05/13/2026. The exploitation appears to be easy. The attack can be launched remotely. Neither technical details nor an exploit are publicly available.

Upgrading to version 1.7.0 or 2.0.1 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Node View Permissions

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 3.7
ADP CISA Vector: 🔒

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unusual condition
CWE: CWE-754
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Node View Permissions 1.7.0/2.0.1

Timelineinfo

05/13/2026 CVE reserved
05/20/2026 +7 days Advisory disclosed
05/20/2026 +0 days VulDB entry created
07/24/2026 +65 days VulDB entry last update

Sourcesinfo

Advisory: sa-contrib-2026-034
Researcher: Adam Shepherd
Status: Confirmed

CVE: CVE-2026-8491 (🔒)
GCVE (CVE): GCVE-0-2026-8491
GCVE (VulDB): GCVE-100-364753

Entryinfo

Created: 05/20/2026 05:53
Updated: 07/24/2026 08:30
Changes: 05/20/2026 05:53 (54), 05/20/2026 05:54 (1), 05/23/2026 19:41 (11), 07/24/2026 08:30 (1)
Complete: 🔍
Cache ID: 216::103