CVE-2025-58051Network attack vector

Authenticated file disclosure via unchecked import path

Published Oct 16, 2025 · Updated Oct 16, 2025

Local file inclusion in Nextcloud Tables before 0.7.6, 0.8.8, or 0.9.5 allows remote authenticated users to read server files. ImportService::previewImport and import accepted any existing path and passed it to PhpSpreadsheet IOFactory::load without verifying an HTTP upload. A valid user account and a PhpSpreadsheet-supported target file are required; exploitation exposes readable file contents without modifying data or interrupting the service.

CVSS severity6.5
Medium
EPSS probability0.53%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Local file inclusion in Nextcloud Tables before 0.7.6, 0.8.8, or 0.9.5 allows remote authenticated users to read server files. ImportService::previewImport and import accepted any existing path and passed it to PhpSpreadsheet IOFactory::load without verifying an HTTP upload. A valid user account and a PhpSpreadsheet-supported target file are required; exploitation exposes readable file contents without modifying data or interrupting the service.

The record

CVE
CVE-2025-58051
Published
Oct 16, 2025
Updated
Oct 16, 2025
Vendor
Nextcloud GmbH
Product
Security Advisories
Classifications
CWE-841, T1005
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 16, 2025CVE publishedPublication date reported by the CVE source.
  2. Oct 16, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=>= 0.7.0, < 0.7.6
  2. Affected versionversion=>= 0.8.0, < 0.8.8
  3. Affected versionversion=>= 0.9.0, < 0.9.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Nextcloud GmbH · Security Advisoriesversion=>= 0.7.0, < 0.7.6; version=>= 0.8.0, < 0.8.8; version=>= 0.9.0, < 0.9.5

Published CVSS scores

6.5GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-841Improper Enforcement of Behavioral Workflow
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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