CVE-2026-6328

HIGH EPSS 9.8%

Published Apr 15, 20262mo ago · Modified Jun 17, 20261w ago

8.3 CVSS 4.0

High

Published Apr 15, 2026 2mo ago

Last Modified Jun 17, 2026 1w ago

Description

Improper input validation, Improper verification of cryptographic signature vulnerability in XQUIC Project XQUIC xquic on Linux (QUIC protocol implementation, packet processing module, STREAM frame handler modules) allows Protocol Manipulation.This issue affects XQUIC: through 1.8.3.

CVSS Details

Base Score

8.3

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity High

Privileges Required None

User Interaction None

Scope X

Threat Intelligence

EPSS Exploit Probability

9.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 2

CWE-20 Improper Input Validation Validation

CWE-347

References 1

github.com https://github.com/alibaba/xquic/commit/4764604a0e487eeb49338b4498aecda2194eae84

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.