CVE-2025-26977

WordPress FileBird plugin <= 6.4.2.1 - Insecure Direct Object References (IDOR) vulnerability

3.8 Low

Authorization Bypass Through User-Controlled Key vulnerability in Ninja Team Filebird filebird allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Filebird: from n/a through <= 6.4.2.1.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.41%Up 0.4 points since Feb 27, 2025

What each source reports

CVE List Score used 3.8

WordPress FileBird plugin <= 6.4.2.1 - Insecure Direct Object References (IDOR) vulnerability

Record: CVE-2025-26977
CVSS 3.1: 3.8 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-639
Updated: 2026-11-02

EUVDEUVD-2025-5415 3.8

Record: EUVD-2025-5415
CVSS 3.1: 3.8 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-hwmc-7532-hg76 3.8

Authorization Bypass Through User-Controlled Key vulnerability in Ninja Team Filebird allows...

Authorization Bypass Through User-Controlled Key vulnerability in Ninja Team Filebird allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Filebird: from n/a through 6.4.2.1.

Record: GHSA-hwmc-7532-hg76
CVSS 3.1: 3.8 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-639
Updated: 2026-11-02

NVD 3.8

Record: CVE-2025-26977
CVSS 3.1: 3.8 LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N
CVSS 3.1: 7.2 HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-639
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-26977 is a low vulnerability (CVSS 3.8) in Ninja Team Filebird, published February 25, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.