What is the CVSS score of CVE-2025-26977?

CVE-2025-26977 has a CVSS 3.1 base score of 3.8 (Low). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N. EPSS exploitation probability: 0.1%.

Which versions of Ninja Team Filebird are affected by CVE-2025-26977?

CVE-2025-26977 is a low-severity vulnerability (CVSS 3.8). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation.

How to fix or mitigate CVE-2025-26977?

During next maintenance window: Apply vendor patches when convenient. Monitor vendor channels for updates.

Ninja Team Filebird CVE-2025-26977

LOW

Authorization Bypass Through User-Controlled Key (CWE-639)

2025-02-25 audit@patchstack.com

Authentication Bypass

3.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

3.8 LOW

AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Severity Changed

Apr 23, 2026 - 15:42 NVD

HIGH LOW

CVSS changed

Apr 23, 2026 - 15:42 NVD

7.2 (HIGH) 3.8 (LOW)

Analysis Generated

Mar 28, 2026 - 18:28 vuln.today

CVE Published

Feb 25, 2025 - 15:15 nvd

HIGH 7.2

DescriptionCVE.org

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.

AnalysisAI

Authorization Bypass Through User-Controlled Key vulnerability in Ninja Team Filebird allows Exploiting Incorrectly Configured Access Control Security Levels.4.2.1. Rated low severity (CVSS 3.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-639. Authorization Bypass Through User-Controlled Key vulnerability in Ninja Team Filebird allows Exploiting Incorrectly Configured Access Control Security Levels.4.2.1. Affected products include: Ninjateam Filebird. Version information: through 6.4.2.1..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.