CVE-2026-26014 MEDIUM

CVE-2026-26014: Pion DTLS uses random nonce generation with AES GCM ciphers risks leaking the authentication key

Vendor Pion
Product dtls
Weakness CWE-200 · Info exposure
Published February 11, 2026
Last update February 13, 2026
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Pion DTLS versions v1.0.0 through v3.0.10 and 3.1.0 use random nonce generation with AES GCM ciphers, which makes it easier for remote attackers to obtain the authentication key and spoof data by leveraging the reuse of a nonce in a session and a "forbidden attack". Upgrade to v3.0.11, v3.1.1, or later.

Key dates

02Disclosure timeline

February 11, 2026 CVE published
February 13, 2026 Record updated

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