CVE-2026-52466CWE-863broken-access-control

CVE-2026-52466

Critical · published August 6, 2026

CVSS v3.1
9.8
EPSS
0%
Percentile
40.7
In the wild
Unconfirmed
What it is

Open Library Foundation VuFind v11.0.3 and v4.1 is vulnerable to toInorrect Access Control. The application fails to stop processing an incoming request in VuFind\Controller\AbstractBase::validateAccessPermission after it has found that controller level access permissions do not allow access to the requested function. The requester receives a response indicating that access was denied, but the actual function is executed regardless of that.

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00483 · 40.7th percentile
Weakness
CWE-863 · Incorrect Authorization
Published
2026-08-06T04:16Z
References (1)
EPSS history
Timeline
  • 05 AUG 00:00Z
    Open Library Foundation VuFind v11.0.3 and v4.1 is vulnerable to toInorrect Access Control
    cvelistv5