Missing Authorization Affecting github.com/free5gc/nef/pkg/factory package, versions <1.2.5
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published10 May 2026
- disclosed8 May 2026
- creditLinZiyuu
Introduced: 8 May 2026
CVE-2026-44320 (opens in a new tab)How to fix?
Upgrade github.com/free5gc/nef/pkg/factory to version 1.2.5 or higher.
Overview
Affected versions of this package are vulnerable to Missing Authorization via the nnef-callback route group, which lacks inbound authentication and authorization checks. An attacker can access sensitive business logic and potentially manipulate subscription state by submitting forged callback requests with arbitrary bearer tokens.