CVE-2025-52900

CVE-2025-52900 is a medium-severity vulnerability in Filebrowser with a CVSS 3.x base score of 5.5. 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-276.

Key facts

Description

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. The file access permissions for files uploaded to or created from File Browser are never explicitly set by the application. The same is true for the database used by File Browser. On standard servers using File Browser prior to version 2.33.7 where the umask configuration has not been hardened before, this makes all the stated files readable by any operating system account. Version 2.33.7 fixes the issue.

Frequently asked questions

What is CVE-2025-52900?
File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. The file access permissions for files uploaded to or created from File Browser are never explicitly set by the application. The same is true for the database used by File Browser. On standard servers using File Browser prior to version 2.33.7 where the umask configuration has not been hardened before, this makes all the stated files readable by any operating system account. Version 2.33.7 fixes the issue.
How severe is CVE-2025-52900?
CVE-2025-52900 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-52900 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-52900?
CVE-2025-52900 affects Filebrowser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-52900?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-52900 have an EU (EUVD) identifier?
Yes. CVE-2025-52900 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-19199.
When was CVE-2025-52900 published?
CVE-2025-52900 was published on 2025-06-26 and last updated on 2026-06-17.

References

Affected products (1)

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