CVE-2026-21434 | quic-go webtransport-go up to 0.9.x WT_CLOSE_SESSION allocation of resources (GHSA-g6x7-jq8p-6q9q)
A vulnerability, which was classified as problematic, has been found in quic-go webtransport-go up to 0.9.x. Impacted is an unknown function. Performing a manipulation of the argument WT_CLOSE_SESSION results in allocation of resources.
This vulnerability is identified as CVE-2026-21434. The attack can be initiated remotely. There is not any exploit available.
It is advisable to upgrade the affected component.