CVE-2026-6328
High
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.
SeverityHigh
CVSS8.3
Exploit probability—
ProductXQUIC
PublishedApr 15, 2026
First seenApr 15, 2026
Weakness typeCWE-20Improper input validationCWE-347CWE-347
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| XQUIC Project XQUIC | v ≤ 1.8.3 | — |
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