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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0014.

Exploitation none

Automatable yes

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

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Project Subscriptions

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://vufind.org/wiki/security:cve-2026-52466 cve-icon
History

Thu, 06 Aug 2026 18:45:00 +0000

Type Values Removed Values Added
Title Incorrect Access Control Leading to Unauthorized Function Execution in VuFind

Thu, 06 Aug 2026 17:15:00 +0000

Type Values Removed Values Added
Title Unauthorized Function Execution in VuFind Due to Access Control Flaw
Weaknesses CWE-284

Thu, 06 Aug 2026 13:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-863
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Thu, 06 Aug 2026 00:45:00 +0000

Type Values Removed Values Added
Title Unauthorized Function Execution in VuFind Due to Access Control Flaw
Weaknesses CWE-284

Wed, 05 Aug 2026 23:45:00 +0000

Type Values Removed Values Added
Description 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.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-08-06T12:21:02.066Z

Reserved: 2026-06-08T00:00:00.000Z

Link: CVE-2026-52466

cve-icon Vulnrichment

Updated: 2026-08-06T12:20:36.904Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-06T18:30:04Z

Weaknesses