CVE-2026-34528: File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files wit

Q: How do I fix CVE-2026-34528?

filebrowser: upgrade to 2.62.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-34528 being exploited?

CVE-2026-34528 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-34528 affect?

CVE-2026-34528 affects filebrowser. Severity is high (CVSS 8.1). File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to version 2.62.2, the signupHandler in File Browser applies default user permissions via d.setti

Q: How urgent is CVE-2026-34528?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

HIGH 8.1REMOTEUPGRADE

CVE-2026-34528 is a high-severity flaw (CVSS 8.1) affecting filebrowser. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to version 2.62.2, the signupHandler in File Browser applies default user permissions via d.settings.Defaults.Apply(user), then strips only Admin. The Execute permission and Commands list from the default user template are not stripped. When an administrator has enabled signup, server-side execution, and s

Why this priority

High severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-269
Published	2026-04-01
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: filebrowser

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-01 21:17 UTCPublished CVE record published
2026-06-17 10:39 UTCUpdated Record last modified

filebrowser filebrowser UPGRADE

Affected: < 2.62.2

Fixed in: 2.62.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy filebrowser || rpm -q filebrowser || filebrowser --version

2. UPGRADE to 2.62.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade filebrowser

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade filebrowser

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-34528?

filebrowser: upgrade to 2.62.2. Exact commands for each OS are on this page.

Is CVE-2026-34528 being exploited?

CVE-2026-34528 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-34528 affect?

CVE-2026-34528 affects filebrowser. Severity is high (CVSS 8.1). File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files within a specified directory. Prior to version 2.62.2, the signupHandler in File Browser applies default user permissions via d.setti

How urgent is CVE-2026-34528?

Priority 51/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-35607 HIGH 8.1 UPGRADE File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files wit
CVE-2026-35606 HIGH 7.5 UPGRADE File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files wit
CVE-2026-35605 HIGH 7.5 UPGRADE File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files wit
CVE-2026-35604 HIGH 8.1 UPGRADE File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files wit
CVE-2026-35585 HIGH 7.2 UPGRADE File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files wit

References

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