CVE-2026-26014: GO-2026-4479 - Usage of random nonce generation with AES GCM ciphers risks leaking the authentication key in github.com/pion/dtls

CVE-2026-26014 · Severity: low · CVSS 3.1 · Published 2026-02-19

Usage of random nonce generation with AES GCM ciphers risks leaking the authentication key in github.com/pion/dtls

Technologies: github.com/pion/dtls (Go), github.com/pion/dtls/v2 (Go). Vendors: Go.

Quick answers

Is CVE-2026-26014 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-26014 being exploited in the wild.
How severe is CVE-2026-26014?
Low severity, with a CVSS score of 3.1, published 19 February 2026.
Which products and versions are affected?
github.com/pion/dtls (Go) SEMVER:introduced=0, SEMVER:introduced=0,last_affected=1.5.4; github.com/pion/dtls/v2 (Go) SEMVER:introduced=0, SEMVER:introduced=0,last_affected=2.2.12; github.com/pion/dtls/v3 (Go) SEMVER:introduced=3.0.10,fixed=3.0.11,introduced=3.1.0,fixed=3.1.1, SEMVER:introduced=3.1.0,fixed=3.1.1.
Is there a fix for CVE-2026-26014?
Yes. github.com/pion/dtls/v3 (Go): upgrade to 3.1.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-26014?
Check whether you run github.com/pion/dtls (Go), github.com/pion/dtls/v2 (Go) or github.com/pion/dtls/v3 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/pion/dtls/v3 (Go): upgrade to 3.1.1 or later
    go get github.com/pion/dtls/v3@v3.1.1

Affected products

  • github.com/pion/dtls (Go) SEMVER:introduced=0, SEMVER:introduced=0,last_affected=1.5.4
  • github.com/pion/dtls/v2 (Go) SEMVER:introduced=0, SEMVER:introduced=0,last_affected=2.2.12
  • github.com/pion/dtls/v3 (Go) SEMVER:introduced=3.0.10,fixed=3.0.11,introduced=3.1.0,fixed=3.1.1, SEMVER:introduced=3.1.0,fixed=3.1.1

Identifiers

  • CVE-2026-26014
  • GHSA-9f3f-wv7r-qc8r
  • GO-2026-4479

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