CVE-2026-19506: CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in RDK RDK-B WebUI
CVE-2026-19506 is a race condition vulnerability in the RDK-B WebUI component of RDK, specifically in the check.jst file of version rdkb-2025q4-kirkstone.04.10.26. This flaw allows a remote attacker to gain unauthorized access by exploiting concurrent authentication requests that improperly share authentication state. No patch or official remediation guidance is currently available. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability involves a race condition (CWE-362) in the RDK-B WebUI's check.jst script, where concurrent authentication requests improperly synchronize shared authentication state. This improper synchronization can be exploited remotely to bypass authentication controls and gain unauthorized access to the system. The affected product is RDK-B WebUI version rdkb-2025q4-kirkstone.04.10.26. No CVSS score or vendor advisory with patch information is currently available.
Potential Impact
An attacker can remotely exploit this race condition to gain unauthorized access to the RDK-B WebUI, potentially compromising the system's security. The exact impact depends on the privileges granted by the unauthorized access but could include control over device configuration or sensitive information exposure.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates and consider limiting remote access to the affected WebUI component to trusted networks only.
CVE-2026-19506: CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') in RDK RDK-B WebUI
Description
CVE-2026-19506 is a race condition vulnerability in the RDK-B WebUI component of RDK, specifically in the check.jst file of version rdkb-2025q4-kirkstone.04.10.26. This flaw allows a remote attacker to gain unauthorized access by exploiting concurrent authentication requests that improperly share authentication state. No patch or official remediation guidance is currently available. There are no known exploits in the wild at this time.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a race condition (CWE-362) in the RDK-B WebUI's check.jst script, where concurrent authentication requests improperly synchronize shared authentication state. This improper synchronization can be exploited remotely to bypass authentication controls and gain unauthorized access to the system. The affected product is RDK-B WebUI version rdkb-2025q4-kirkstone.04.10.26. No CVSS score or vendor advisory with patch information is currently available.
Potential Impact
An attacker can remotely exploit this race condition to gain unauthorized access to the RDK-B WebUI, potentially compromising the system's security. The exact impact depends on the privileges granted by the unauthorized access but could include control over device configuration or sensitive information exposure.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates and consider limiting remote access to the affected WebUI component to trusted networks only.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- certcc
- Date Reserved
- 2026-08-10T19:13:43.963Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a860605acd9273b49871aaa
Added to database: 08/19/2026, 19:37:41 UTC
Last enriched: 08/19/2026, 19:55:40 UTC
Last updated: 08/19/2026, 20:07:07 UTC
Views: 3
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