CVE-2026-33062: GO-2026-4756 - free5GC NRF Discovery EncodeGroupId Function Panics on Malformed group-id-list Parameter in github.com/free5gc/nrf

CVE-2026-33062 · Severity: medium · CVSS 4 · Published 2026-03-23

free5GC NRF Discovery EncodeGroupId Function Panics on Malformed group-id-list Parameter in github.com/free5gc/nrf

Technologies: github.com/free5gc/nrf (Go). Vendors: Go.

Quick answers

Is CVE-2026-33062 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-33062 being exploited in the wild.
How severe is CVE-2026-33062?
Medium severity, with a CVSS score of 4, published 23 March 2026.
Which products and versions are affected?
github.com/free5gc/nrf (Go) SEMVER:introduced=0,fixed=1.4.2.
Is there a fix for CVE-2026-33062?
Yes. github.com/free5gc/nrf (Go): upgrade to 1.4.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2026-33062?
Check whether you run github.com/free5gc/nrf (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/free5gc/nrf (Go): upgrade to 1.4.2 or later
    go get github.com/free5gc/nrf@v1.4.2

Affected products

  • github.com/free5gc/nrf (Go) SEMVER:introduced=0,fixed=1.4.2

Identifiers

  • CVE-2026-33062
  • GHSA-7c47-xr7q-p6hg
  • GO-2026-4756

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