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VulnerabilityPublished

CVE-2026-33038: WWBN AVideo · Missing Authentication

Affects WWBN AVideoSource CVE Database V5

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Not known to be exploited · CVSS 8.1 High : upgrade to 26.0 soon.

Data as of 2 Nov 2026, 10:58 UTC

CVSS 3.1 base score
8.1High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 26.0
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 20 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2 Nov 2026.

What to do

Upgrade AVideo and wwbn/AVideo to 26.0.

Affected software

ProductAffectedFixed in
WWBNAVideoAffected
  • <26.0
Fixed in
  • 26.0
GitHubwwbn/AVideopkg:github/wwbn/AVideoOther threatsAffected
  • <26.0
Fixed in
  • 26.0

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

  1. Upgrade all WWBN AVideo installations to version 26.0 or later immediately, as this version contains the fix for this vulnerability.
  2. For existing deployments, ensure that the videos/configuration.php file exists and is properly secured to prevent reinitialization via the install/checkConfiguration.php endpoint.
  3. Restrict network access to the installation endpoint (install/checkConfiguration.php) using firewalls or web application firewalls (WAFs) to limit exposure to trusted administrators only.
  4. Implement monitoring and alerting for any access attempts to the installation endpoint, especially POST requests, to detect potential exploitation attempts.
  5. For deployments that require reinstallation, perform the process in isolated, secure environments to prevent unauthorized access during setup.
  6. Review and harden server and application permissions to prevent unauthorized file creation or modification.
  7. Educate deployment teams about the risks of exposing installation endpoints and enforce secure deployment procedures that include immediate configuration file creation and endpoint disabling post-installation.

Description

CVE-2026-33038 is a high-severity vulnerability in WWBN AVideo versions 25.0 and below that allows unauthenticated attackers to take over the application during initial setup via the install/checkConfiguration.php endpoint. This endpoint performs critical functions such as database setup, admin account creation, and configuration file writing without authentication, relying solely on the presence of a configuration file to block reinstallation. Attackers can exploit uninitialized deployments to gain full administrative control by completing the installation with attacker-controlled credentials and database. The vulnerability has been fixed in version 26.0. Exploitation requires network access to the endpoint but no user interaction or privileges. Organizations using affected versions on new or reset deployments are at significant risk of complete compromise. Mitigation involves upgrading to version 26.

References

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