CVE-2026-34529Patch(filebrowser / filebrowser)

LOWCVSS 9.0 · CRITICAL

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch filebrowser filebrowser systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

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.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • filebrowser

Threat summary

  • Patch or workaround signal is available
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 2 signals
  • General: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-04-01); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Products
filebrowser

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-01: 1Mentions · 2026-04-02: 1Patch / Workaround · 2026-04-01: 1Technical Details · 2026-04-01: 1Technical Details · 2026-04-02: 104-0104-02
Signal classification2 categories
Patch
150.0%
General
150.0%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-04-011
Patch1
2026-04-021
General1
Full discourse2 posts
  • CVE@CVEnew
    General

    CVE-2026-34529 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 … https://www.cve.org/CVERecord?id=CVE-2026-34529

    Post summary

    The statement mentions CVE-2026-34529 in the context of a file‑browser application and provides a brief technical overview, but contains no evidence of exploitation, PoC, or mitigation.

    00010157
    56.9K followersView on X
  • White Rabbitx 🏴‍☠️@TheRabbitPy
    Patch

    📚 CVE-2026-34529 (File Browser): High stored XSS via crafted EPUB—admin takeover. Patch: File Browser latest https://www.tenable.com/cve/newest https://nvd.nist.gov/vuln/detail/CVE-2026-34529 https://filebrowser.org/security

    Post summary

    The article reports a high‑severity stored XSS flaw in File Browser that can lead to admin takeover and recommends applying the latest patch, without evidence of active exploitation or PoC.

    100006
    492 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appfilebrowserfilebrowser---

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