CVE-2026-101051

Cloudreve before 4.16.1 Path Traversal via Remote Download

LOW
3.1
CVSS Score
Published: September 27, 2026 at 05:02 PM UTC
Updated: September 28, 2026 at 03:17 PM UTC
1 product affected across 1 vendorCloudreve

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Severity
LOW3.1
Exploit prediction
EPSS 0.3%
SSVC
PoC

Description

Cloudreve before 4.16.1 fails to properly sanitize file paths returned by remote downloaders, allowing authenticated users to create files outside the selected destination directory. Attackers can exploit path traversal sequences in downloader metadata to write files to unexpected locations within accessible namespaces.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 4.16.1
Vendor states this is fixed in 4.16.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.1LOWVulnCheck
Attack Vector
NETWORK
Complexity
HIGH
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-22

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