CVE-2026-6328
XQUIC Improper STREAM Frame Validation in Initial/Handshake Packets
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.
INFO
Published Date :
April 15, 2026, 3:18 a.m.
Last Modified :
April 15, 2026, 3:18 a.m.
Remotely Exploit :
Yes !
Source :
alibaba
Affected Products
The following products are affected by CVE-2026-6328
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 4.0 | HIGH | 0cc2b86d-1d45-434d-ae74-11d09ec61ae8 |
Solution
- Update XQUIC to a version later than 1.8.3.
- Validate all cryptographic signatures rigorously.
- Sanitize all external inputs carefully.
- Implement strict protocol validation checks.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-6328 vulnerability anywhere in the article.