CVE-2026-8491: Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal Node View Permissions allows Forc
CVE-2026-8491 is a low-severity flaw (CVSS 3.7) affecting node view permissions. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 3.7 (Low) |
| Attack vector | Network (remote) |
| Attack complexity | High |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 88%) |
| CISA exploited list | No |
| Weakness | CWE-754 |
| Published | 2026-05-19 |
| Last modified | 2026-07-23 |
Last updated 2026-07-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-8491?
node view permissions: upgrade to 1.7. Exact commands for each OS are on this page.
Is CVE-2026-8491 being exploited?
CVE-2026-8491 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-8491 affect?
CVE-2026-8491 affects node view permissions. Severity is low (CVSS 3.7). 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.
How urgent is CVE-2026-8491?
Priority 21/100. Remotely exploitable, no login, no user action