Access Control Bypass Affecting github.com/free5gc/nrf/internal/sbi/processor package, versions <1.4.1
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
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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Start learning- Snyk IDSNYK-GOLANG-GITHUBCOMFREE5GCNRFINTERNALSBIPROCESSOR-15091547
- published25 Jan 2026
- disclosed23 Jan 2026
- creditagl-c
Introduced: 23 Jan 2026
CVE-2025-66719 (opens in a new tab)How to fix?
Upgrade github.com/free5gc/nrf/internal/sbi/processor to version 1.4.1 or higher.
Overview
Affected versions of this package are vulnerable to Access Control Bypass via the AccessTokenScopeCheck function. An attacker can obtain unauthorized access tokens with arbitrary scopes by supplying a specially crafted targetNF value.