CVE-2026-88623Public exploitNetwork attack vector

Unauthenticated file read via file URL handling

Published Sep 18, 2026 · Updated Sep 18, 2026

Arbitrary file read in NUUO Network Video Recorder 2.0.0 allows remote attackers to read device files through an unauthenticated request. The up.php script passes the POST url parameter directly to fopen(), accepts file:// URLs, and copies the selected local file into /tmp under a basename-derived name. No account is required, and successful exploitation exposes files readable by the web process, including password and session data.

CVSS severityUnavailable
Unscored
EPSS probability0.50%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file read in NUUO Network Video Recorder 2.0.0 allows remote attackers to read device files through an unauthenticated request. The up.php script passes the POST url parameter directly to fopen(), accepts file:// URLs, and copies the selected local file into /tmp under a basename-derived name. No account is required, and successful exploitation exposes files readable by the web process, including password and session data.

The record

CVE
CVE-2026-88623
Published
Sep 18, 2026
Updated
Sep 18, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1190, T1005
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 18, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

No CVSS assessment is available in this record.

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.

Activity data is delayed. The latest report is Sep 28, 2026.

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

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

T1190Exploit Public-Facing Application
T1005Data from Local System

Public exploit references

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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