Vulnerability record
CVE-2026-126541
The short answer
CVE-2026-126541 affects WWBN AVideo and is rated high (CVSS 8.6). It is not in CISA's Known Exploited Vulnerabilities catalog.
What it is
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.
Weakness: CWE-639.
Severity
8.6 high
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Exploited (CISA KEV)
Not listed
CISA lists confirmed exploitation only
EPSS, next 30 days
No score
FIRST scores CVEs within a day of publication
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Attack requirements
- None
- Privileges required
- Low
- User interaction
- None
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- None
Affected products
AVideo. NVD's record lists the exact affected versions.
References
- github.com/WWBN/AVideo/blob/v29.7.1/plugin/Live/view/Live_restreams/verifyTokenForAction.json.php#L30-L56
- github.com/WWBN/AVideo/blob/v29.7.1/plugin/Live/view/getRestream.json.php#L27-L48
- github.com/WWBN/AVideo/commit/be9d70199279aafe5062744d319fd4df4e5f7a48
- github.com/WWBN/AVideo/security/advisories/GHSA-233c-vfmw-6rw9
- www.vulncheck.com/advisories/wwbn-avideo-through-29.7.1-missing-authorization-via-live-restream-endpoints
Questions
Is CVE-2026-126541 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog as of 2026-11-11.
How do I fix CVE-2026-126541?
Follow the vendor advisory in the references below. NVD lists the affected versions under its configurations.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Deferred. The description is NVD's text, quoted as published.
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