CVE-2026-19505
UNKNOWN
NVD
CVSS Score
0
Severity
UNKNOWN
Published
Aug 19, 2026
Vendor
unknown
Description
Improper cryptographic signature verification in `jst_functions.c` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows a remote attacker to bypass authentication and obtain administrative access via a forged JWT containing an invalid RSA signature.