EUVD-2026-67118
GHSA-cjjg-q36w-5jxj
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SBI is network-accessible with no authentication required; DoS-only impact with no confidentiality or integrity effect and unchanged scope.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
An issue in the HandleGetSharedData function of free5gc v4.0.1 allows attackers to cause a Denial of Service (DoS) via a crafted input.
AnalysisAI
free5gc v4.0.1, an open-source Go-based 5G core network implementation, is vulnerable to denial-of-service via crafted input to the HandleGetSharedData function, which can exhaust system resources and crash core network functions. The CVSS score of 7.5 HIGH reflects a zero-authentication network vector, though the very low EPSS of 0.15% (4th percentile) and absence of KEV listing or public proof-of-concept indicate minimal observed exploitation risk at this time. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | free5gc v4.0.1 must be running with its SBI endpoint reachable by the attacker over the network. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.5 HIGH score is driven by a fully network-accessible attack vector (AV:N), low complexity (AC:L), no authentication requirement (PR:N), no user interaction (UI:N), and high availability impact (A:H), presenting a serious theoretical risk for any exposed deployment. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch has been confirmed at time of analysis - the sole reference is GitHub issue #762, which is a bug report and does not correspond to a tagged release or security advisory. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, conduct an inventory of free5gc deployments to determine production vs. …
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External POC / Exploit Code
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