CVE-2026-126541
8.1, highWWBN AVideo Authorization Bypass Through User-Controlled Key Vulnerability
- CVSS
- 8.1, high high CVSS v3.1
- EPSS, next 30 days
- n/a
- Exploitation
- No public evidence
- Published
- 11 Nov 2026today
Description
WWBN AVideo through 29.7.1 contains a missing authorization vulnerability in Live plugin restream endpoints that allows authenticated streamers to obtain other users' stream keys by supplying arbitrary live_transmitions_history_id values. Attackers can redeem the issued action tokens at verifyTokenForAction.json.php to retrieve victims' HLS URLs and stream keys, then publish as the victim or restream private or pay-per-view lives.
Details
- Vendor
- WWBN
- Product
- AVideo
- Weakness
- CWE-639 (opens in a new tab)
- Status
- Deferred
- Updated
- 11 Nov 2026
- Assigner
- disclosure@vulncheck.com
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
References 5
Patches and fixes 1
Other references 3
- github.com /WWBN/AVideo/blob/v29.7.1/plugin/Live/view/Live_restreams/verifyTokenForAction.json.php#L30-L56 (opens in a new tab)
- github.com /WWBN/AVideo/blob/v29.7.1/plugin/Live/view/getRestream.json.php#L27-L48 (opens in a new tab)
- vulncheck.com /advisories/wwbn-avideo-through-29.7.1-missing-authorization-via-live-restream-endpoints (opens in a new tab)
The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.
Other WWBN CVEs
Every WWBN CVE we holdSame vendor in what we hold, not a known link between the flaws.
- CVE-2026-126542 WWBN AVideo 6.5 through 29.7.1 contains an authentication bypass vulnerability that allows unauthenticated attackers to log in as any… 9.8, critical
- CVE-2026-126543 WWBN AVideo through 29.7.1 contains an improper payment verification vulnerability in plugin/PayPalYPT/ipnV2.php that credits wallets… 7.5, high
- CVE-2026-124424 WWBN AVideo Path Traversal Vulnerability EPSS 0.4% 7.1, high
- CVE-2026-92913 WWBN AVideo Use of Insufficiently Random Values Vulnerability EPSS 0.5% 7.4, high
- CVE-2026-86718 WWBN AVideo Cross-Site Request Forgery Vulnerability EPSS 0.2% 7.1, high
- CVE-2026-86720 WWBN AVideo Authorization Bypass Through User-Controlled Key Vulnerability EPSS 0.4% 8.1, high
- CVE-2026-86723 WWBN AVideo Improper Authentication Vulnerability EPSS 0.5% 8.1, high
- CVE-2026-86725 WWBN AVideo Authorization Bypass Through User-Controlled Key Vulnerability EPSS 0.4% 7.1, high
Beyond this page
Is CVE-2026-126541 in your network?
This page tells you how dangerous CVE-2026-126541 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.
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EXYS7600 OCELOT
Find it before attackers do
Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2026-126541 comes with the devices to patch.
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EXYS7950 KONDRA
Detect it if it's exploited
Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.
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Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 11 Nov 2026, not the live upstream state.