CVE-2026-40911
Unauthenticated JS injection via YPTSocket enables universal takeover.
Is CVE-2026-40911 being exploited?
Not confirmed. CVE-2026-40911 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.65% probability of exploitation in the next 30 days.
How severe is CVE-2026-40911?
CVE-2026-40911 is rated Critical with a CVSS score of 10.0. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-40911?
Yes. A fix has been recorded for CVE-2026-40911. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-40911 affect?
CVE-2026-40911 affects WWBN AVideo, YPTSocket plugin. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-40911?
Apply patch; upgrade to fixed release.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Arbitrary JavaScript execution in all connected users via relayed JSON, enabling account takeover and privileged actions.
Patch when possible
- affected<= 29.0
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.