PatchTheCVECVE-2026-34529: File Browser is a file managing interface for uploading, deleting, previewing, renaming, and editing files wit
CVE-2026-34529 is a high-severity flaw (CVSS 7.6) 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 EPUB preview function in File Browser is vulnerable to Stored Cross-Site Scripting (XSS). JavaScript embedded in a crafted EPUB file executes in the victim's browser when they preview the file. This issue has been patched in version 2.62.2.
Why this priority
- High severity
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.6 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 75%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2026-04-01 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2026-34529?
filebrowser: upgrade to 2.62.2. Exact commands for each OS are on this page.
Is CVE-2026-34529 being exploited?
CVE-2026-34529 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-2026-34529 affect?
CVE-2026-34529 affects filebrowser. Severity is high (CVSS 7.6). 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 EPUB preview function in File Browser is vulnerable to Stored Cross-Site S
How urgent is CVE-2026-34529?
Priority 38/100. High severity; Public exploit reference
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