CVE-2026-34733Public exploitNetwork attack vector

Unauthenticated file deletion via broken CLI guard

Published Mar 31, 2026 · Updated Mar 31, 2026

Improper access control in World Wide Broadcast Network AVideo 26.0 and earlier allows remote attackers to delete temporary files via HTTP. In install/deleteSystemdPrivate.php, logical NOT binds before strict equality, so the CLI guard is always false and never calls die(). An unauthenticated GET therefore enumerates the system temporary directory and deletes entries older than 24 hours, disrupting sessions, uploads, caches, or other co-hosted applications.

CVSS severity6.5
Medium
EPSS probability0.34%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Improper access control in World Wide Broadcast Network AVideo 26.0 and earlier allows remote attackers to delete temporary files via HTTP. In install/deleteSystemdPrivate.php, logical NOT binds before strict equality, so the CLI guard is always false and never calls die(). An unauthenticated GET therefore enumerates the system temporary directory and deletes entries older than 24 hours, disrupting sessions, uploads, caches, or other co-hosted applications.

The record

CVE
CVE-2026-34733
Published
Mar 31, 2026
Updated
Mar 31, 2026
Vendor
World Wide Broadcast Network
Product
AVideo
Classifications
CWE-284, T1485, T1083
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 31, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 31, 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?

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

  1. Affected versionversion=<= 26.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

World Wide Broadcast Network · AVideoversion=<= 26.0

Published CVSS scores

6.5GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
7.3NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-284Improper Access Control
T1485Data Destruction
T1083File and Directory Discovery

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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