How severe is CVE-2025-26977?

CVE-2025-26977 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-26977 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-26977?

CVE-2025-26977 affects Ninjateam Filebird. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-26977?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-26977 have an EU (EUVD) identifier?

Yes. CVE-2025-26977 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5415.

When was CVE-2025-26977 published?

CVE-2025-26977 was published on 2025-02-25 and last updated on 2026-06-17.

CVE-2025-26977

CVE-2025-26977 is a low-severity vulnerability in Ninjateam Filebird with a CVSS 3.x base score of 3.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.

Key facts

Severity: Low (CVSS 3.x base score 3.8)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-5415
Weakness: CWE-639
Affected product: Ninjateam Filebird
Published: 2025-02-25
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-26977?: 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.
How severe is CVE-2025-26977?: CVE-2025-26977 has a CVSS 3.x base score of 3.8, rated low severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-26977 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-26977?: CVE-2025-26977 affects Ninjateam Filebird. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-26977?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-26977 have an EU (EUVD) identifier?: Yes. CVE-2025-26977 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-5415.
When was CVE-2025-26977 published?: CVE-2025-26977 was published on 2025-02-25 and last updated on 2026-06-17.

References

https://patchstack.com/database/Wordpress/Plugin/filebird/vulnerability/wordpress-filebird-plugin-6-4-2-1-insecure-direct-object-references-idor-vulnerability?_s_id=cve

Affected products (1)

cpe:2.3:a:ninjateam:filebird:*:*:*:*:*:wordpress:*:*

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