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SCA: security update for github.com/quic-go/webtransport-go (GHSA-px4r-g4p3-hhqv)

high Tenable Cloud Security Plugin ID 437711

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 v0.10.0, an attacker can cause
 a denial of service in webtransport-go by preventing or indefinitely delaying WebTransport session
 closure. A malicious peer can withhold QUIC flow control credit on the CONNECT stream, blocking
 transmission of the WT_CLOSE_SESSION capsule and causing the close operation to hang. This vulnerability
 is fixed in v0.10.0. (CVE-2026-21435)

See Also

https://github.com/advisories/GHSA-px4r-g4p3-hhqv

Plugin Details

Severity: High

ID: 437711

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 2/12/2026

Updated: 6/1/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

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

CVSS Score Source: CVE-2026-21435

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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-2026-21435

cwe: CWE-400