CVE-2026-73478

Diff - Moderately critical - Access bypass - SA-CONTRIB-2026-096

MEDIUM

5.3

CVSS Score

Published: September 2, 2026 at 12:32 PM UTC

Updated: September 16, 2026 at 04:57 PM UTC

1 product affected across 1 vendorDiff

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Severity

MEDIUM5.3

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Diff · Diff Projectdrupal

95%

v < 2.0.10.0.0 ≤ v < 2.0.12.1.0 ≤ v < 2.1.15.x-1.0 ≤ v ≤ 5.x-2.16.x-1.0 ≤ v ≤ 6.x-2.37.x-3.0 ≤ v ≤ 7.x-3.58.x-1.0 ≤ v ≤ 8.x-1.100.0.0 2.1.0 4.7.x-1.1

Affected range stops below 2.0.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 2.1.1, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://www.drupal.org/sa-contrib-2026-096

References (1)

Vendor Advisory

Source: cverecord

https://www.drupal.org/sa-contrib-2026-096

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMCISA-ADP

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: LOW
Integrity: NONE
Availability: NONE

Vector?

Quick Info

StatusANALYZED

CWE

CWE-863

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