SCA: security update for github.com/quic-go/webtransport-go (GHSA-2f2x-8mwp-p2gc)

medium Tenable Cloud Security Plugin ID 437713

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- webtransport-go is an implementation of the WebTransport protocol. Prior to 0.10.0, an attacker can cause
unbounded memory consumption repeatedly creating and closing many WebTransport streams. Closed streams
were not removed from an internal session map, preventing garbage collection of their resources. This
vulnerability is fixed in v0.10.0. (CVE-2026-21438)

See Also

https://github.com/advisories/GHSA-2f2x-8mwp-p2gc

Plugin Details

Severity: Medium

ID: 437713

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 2/12/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2026-21438

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 2/12/2026

Vulnerability Publication Date: 2/12/2026

Reference Information

CVE: CVE-2026-21438