Medium severity · published Sep 2, 2026
CVE-2026-73478
Diff - Moderately critical - Access bypass - SA-CONTRIB-2026-096
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DR
Drupal · Drupal
0.0.0 before 2.0.1; 2.1.0 before 2.1.1 · source: vendor
DI
Diff · Diff Project
before 2.0.1; 5.x-1.0 through 5.x-2.1; 6.x-1.0 through 6.x-2.3; 7.x-3.0 through 7.x-3.5; 8.x-1.0 through 8.x-1.10; 2.1.0; +1 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-73478
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-73478
Vendor Advisory
https://www.drupal.org/sa-contrib-2026-096
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