Vulnerability in Quinn-rs Quinn

CVE-2026-31812

Quinn is a pure-Rust, async-compatible implementation of the IETF QUIC transport protocol. Prior to 0.11.14, a remote, unauthenticated attacker can trigger a denial of service in applications using vulnerable quinn versions by sending a cr…

EPSS: 0.005 (39.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-31812?
CVE-2026-31812 is a medium-severity vulnerability in Quinn-rs Quinn, classified under CWE-248. CVSS score: 5.3/10. Published 2026-03-10.
How severe is CVE-2026-31812?
Medium severity. CVSS v3 base score is 5.3 out of 10.