Diff - Moderately critical - Access bypass - SA-CONTRIB-2026-096
Priority LOW 30CWE-863Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-863.
Summary
Incorrect Authorization vulnerability in Drupal Diff allows Forceful Browsing. This issue affects Diff versions: from 0.0.0 to 2.0.1, from 2.1.0 to 2.1.1.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00313 24th percentileScored 2026-11-07
Fix Fixed Diff (Drupal): 2.0.1, 2.1.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Drupal | Diff | 0.0.0 to before 2.0.1; 2.1.0 to before 2.1.1 | 2.0.1, 2.1.1 | Patch available | CNA |
- Diff VendorDrupal Affected 0.0.0 to before 2.0.1; 2.1.0 to before 2.1.1 Fixed in 2.0.1, 2.1.1 Patch available CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:diff_project:diff:*:*:*:*:*:drupal:*:* | before 2.0.1; 5.x-1.0 – 5.x-2.1; 6.x-1.0 – 6.x-2.3; 7.x-3.0 – 7.x-3.5; 8.x-1.0 – 8.x-1.10 | Vulnerable | Diff Project |
| cpe:2.3:a:diff_project:diff:2.1.0:*:*:*:*:drupal:*:* | 2.1.0 | Vulnerable | Diff Project |
| cpe:2.3:a:diff_project:diff:4.7.x-1.1:*:*:*:*:drupal:*:* | 4.7.x-1.1 | Vulnerable | Diff Project |
- cpe:2.3:a:diff_project:diff:*:*:*:*:*:drupal:*:* Versions before 2.0.1; 5.x-1.0 – 5.x-2.1; 6.x-1.0 – 6.x-2.3; 7.x-3.0 – 7.x-3.5; 8.x-1.0 – 8.x-1.10 Vulnerable ·Diff Project
- cpe:2.3:a:diff_project:diff:2.1.0:*:*:*:*:drupal:*:* Versions 2.1.0 Vulnerable ·Diff Project
- cpe:2.3:a:diff_project:diff:4.7.x-1.1:*:*:*:*:drupal:*:* Versions 4.7.x-1.1 Vulnerable ·Diff Project
Remediation
- Fix · CNA Diff (Drupal) Fixed in 2.0.1, 2.1.1
Timeline
- 2026-10-02 Threatist record created from CVE-2026-73478
- 2026-10-03 Alias added: GHSA-ghfg-j64w-r9hj
References
More Drupal vulnerabilities
- TI-2026-07979 Drupal core - Highly critical - SQL injection - SA-CORE-2026-004 KEVCVSS 3.1CRITICAL 9.8
- TI-2018-05494 Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-004 KEVCVSS 3.1CRITICAL 9.8
- TI-2018-05493 Improper input validation in Drupal before 7.58, 8.x before 8.3.9, 8.4.x before 8.4.6… KEVCVSS 3.1CRITICAL 9.8
- TI-2020-10731 Unrestricted file upload in Drupal Core KEVCVSS 3.1HIGH 8.8
- TI-2019-04505 Drupal core - Highly critical - Remote Code Execution KEVCVSS 3.1HIGH 8.1
- TI-2020-17477 Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks… KEVCVSS 3.1HIGH 7.8
Sources
- CVE-2026-73478 · CVE Program
- CVE-2026-73478 · NVD
- FIRST EPSS
- GHSA-ghfg-j64w-r9hj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences