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Golang CVE-2025-66719

CRITICAL
Incorrect Authorization (CWE-863)
2026-01-23 cve@mitre.org GHSA-q7c8-gfjh-8v4p
9.1
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
9.1 CRITICAL
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
SUSE
CRITICAL
qualitative

Primary rating from NVD.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

Lifecycle Timeline

4
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 11, 2026 - 19:55 vuln.today
Public exploit code
Patch released
Feb 11, 2026 - 19:55 nvd
Patch available
CVE Published
Jan 23, 2026 - 16:15 nvd
CRITICAL 9.1

DescriptionCVE.org

An issue was discovered in Free5gc NRF 1.4.0. In the access-token generation logic of free5GC, the AccessTokenScopeCheck() function in file internal/sbi/processor/access_token.go bypasses all scope validation when the attacker uses a crafted targetNF value. This allows attackers to obtain an access token with any arbitrary scope.

AnalysisAI

Free5gc NRF 1.4.0 has an authorization bypass in access token generation that allows authenticated users to request tokens with broader scope than permitted.

Technical ContextAI

The AccessTokenScopeCheck function in Free5gc NRF (Network Repository Function) 1.4.0 has a CWE-863 incorrect authorization vulnerability that fails to properly validate token scope, allowing users to request overly permissive access tokens.

RemediationAI

Update Free5gc. Review issued access tokens for overly permissive scopes.

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Vendor StatusVendor

SUSE

Severity: Critical
Product Status
SUSE Linux Enterprise Server 16.1 Affected
SUSE Linux Enterprise Server for SAP applications 16.1 Affected
SUSE Linux Enterprise Module for Package Hub 15 SP5 Affected
SUSE Linux Enterprise Module for Package Hub 15 SP6 Affected
openSUSE Leap 15.5 Affected

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CVE-2025-66719 vulnerability details – vuln.today

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