CVE-2026-19506
High
Description
Race condition in `check.jst` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows a remote attacker to gain unauthorized access via concurrent authentication requests that exploit shared authentication state.
SeverityHigh
CVSS8.1
Exploit probability—
ProductRDK-B WebUI
PublishedAug 19, 2026
First seenAug 19, 2026
Weakness typeCWE-362Race condition
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| RDK RDK-B WebUI | rdkb-2025q4-kirkstone | — |
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