5.3

CVE-2026-73478: diff_project diff Incorrect Authorization

CVSS: 5.3v3.1MediumAnalyzed
Published 02-09-2026Last modified 02-09-2026
Open JSON

Vulnerability summary

CVE-2026-73478 is a medium (CVSS 5.3) Incorrect Authorization vulnerability in diff_project diff. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.7% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.31%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-09-2026
    PublishedVulnerability first disclosed.
  2. 02-09-2026
    Last modifiedVulnerability information updated.

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 metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

23%

Versus all other CVEs

30-day change

+0.13 pp

From 0.19% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Diff_project1 product
  • diff< 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 | 2.1.0 | 4.7.x-1.1
Drupal1 product
  • diff≥ 0.0.0, < 2.0.1 | ≥ 2.1.0, < 2.1.1

2 vendors · 2 products

References

1 links