LeakyCreds
NewInstant webhook alerts now available — notified within seconds of any credential detection.Learn more →
Home / Vulnerability Intelligence / CVE-2026-44542

CVE-2026-44542 - Vulnerability Analysis

CriticalCVSS: 9.1

Last Updated: May 14, 2026

FileBrowser Quantum - Path Traversal

Published: May 14, 2026Updated: May 14, 2026Remote Exploitable

Overview

FileBrowser Quantum < 1.3.1-stable and < 1.3.9-beta contains a path traversal caused by improper sanitization of attacker-controlled path input joined with a trusted base path, letting unauthenticated attackers with valid public share hash and delete permissions delete arbitrary files outside the shared directory.

Severity & Score

Severity: Critical
CVSS Score: 9.1
EPSS Score: 0.0%(Probability of exploitation in next 30 days)

Impact

Unauthenticated attackers with valid public share hash and delete permissions can delete arbitrary files outside the shared directory, causing data loss.

Mitigation

Upgrade to version 1.3.1-stable or 1.3.9-beta.

Social Media Activity(2 posts)

OffSequence
OffSequence
@offseq
May 14, 2026

🚨 CRITICAL: CVE-2026-44542 in gtsteffaniak FileBrowser Quantum (<1.3.1-stable, <1.3.9-beta) allows unauthenticated file deletion via path traversal. Upgrade to fixed versions ASAP for protection! https://radar.offseq.com/threat/cve-2026-44542-cwe-22-improper-limitation-of-a-pat-f7d1f33b #OffSeq #vulnerability #FileBrowser #cybersecurity

View original post
OffSequence
OffSequence
@offseq
May 14, 2026

🚨 CRITICAL: CVE-2026-44542 in gtsteffaniak FileBrowser Quantum (<1.3.1-stable, <1.3.9-beta) allows unauthenticated file deletion via path traversal. Upgrade to fixed versions ASAP for protection! https://radar.offseq.com/threat/cve-2026-44542-cwe-22-improper-limitation-of-a-pat-f7d1f33b #OffSeq #vulnerability #FileBrowser #cybersecurity

View original post

Details

CVE ID
CVE-2026-44542
Severity
Critical
CVSS Score
9.1
Type
path_traversal
Status
unconfirmed
EPSS
0.0%
Social Posts
2

CWE

  • CWE-22

CVSS Metrics

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H

EPSS Score

0.0%Probability of exploitation in the next 30 days