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AvideoApplication · Wwbn

CVE-2026-41057

HIGH · 7.1 CVSS v3.1 Published 2026-04-21
Fix available
A fix is available. Upgrade to after 29.0 or later.
See remediation →
78/100
Remediation priority · High
Public exploit Remotely reachable No privileges Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
WWBN AVideo is an open source video platform. In versions 29.0 and below, the CORS origin validation fix in commit `986e64aad` is incomplete. Two separate code paths still reflect arbitrary `Origin` headers with credentials allowed for all `/api/*` endpoints: (1) `plugin/API/router.php` lines 4-8 unconditionally reflect any origin before application code runs, and (2) `allowOrigin(true)` called by `get.json.php` and `set.json.php` reflects any origin with `Access-Control-Allow-Credentials: true`. An attacker can make cross-origin credentialed requests to any API endpoint and read authenticated responses containing user PII, email, admin status, and session-sensitive data. Commit 5e2b897ccac61eb6daca2dee4a6be3c4c2d93e13 contains a fix.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis

A detailed technical summary for this CVE is being prepared.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
AvideoApplication
Affected:<= 29.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to a release after 29.0
Vendor patch github.com →
Recommended fix Moderate confidence

Any release newer than 29.0 containing commit 5e2b897ccac61eb6daca2dee4a6be3c4c2d93e13

  1. Confirm current AVideo version is 29.0 or below by checking the version file or admin dashboard
  2. Backup the entire AVideo installation directory and database before upgrading
  3. Download or pull the latest stable release of AVideo from the official repository (https://github.com/WWBN/AVideo)
  4. Replace the existing installation files with the new version, preserving configuration files and the database
  5. Verify that the CORS fix from commit 5e2b897ccac61eb6daca2dee4a6be3c4c2d93e13 is applied by reviewing plugin/API/router.php and the relevant JSON handler files
  6. Test API endpoints with arbitrary Origin headers to confirm the vulnerability is remediated
  7. Clear any cached data and restart web server services if required
Caveat Minor: Review custom plugins and API integrations for compatibility with the new version, as CORS handling changes may affect cross-origin request behavior

Generated from the published advisory — verify against the referenced sources before acting.

We can identify the exact fixed release, upgrade, and verify it in staging — typical engagement from $1,950. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-41057 in production — separate from our analysis above.

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