EUVD-2026-67103
GHSA-jg2r-j695-whjx
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Network-reachable DELETE endpoint with no described authentication requirement; crash is process-local with no scope change, confidentiality, or integrity impact.
Primary rating from Vendor (mitre).
CVSS VectorVendor: mitre
Lifecycle Timeline
4DescriptionCVE.org
A reachable assertion vulnerability in the NUDM-UECM interface of Open5GS v2.7.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted DELETE request.
AnalysisAI
Denial of Service in Open5GS v2.7.6 targets the NUDM-UECM (Network Unified Data Management - UE Context Management) interface, where a crafted HTTP DELETE request triggers a reachable assertion failure that crashes the UDM process. The CVSS vector (AV:N/AC:L/PR:N/UI:N) and SSVC 'Automatable: yes' rating indicate this is trivially scriptable over the network. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The NUDM-UECM service of Open5GS v2.7.6 must be reachable over the network. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 score of 7.5 (High) reflects low-complexity, unauthenticated, network-based exploitation with high availability impact, and is directionally consistent with the technical description. … 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 patched version has been confirmed in the available data - patch status should be monitored via the upstream GitHub issue at https://github.com/open5gs/open5gs/issues/4264. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all deployments of Open5GS v2.7.6 and immediately apply network-level access controls restricting the NUDM-UECM interface to authorized networks only. …
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Same weakness CWE-617 – Reachable Assertion
View allSame technique Denial Of Service
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External POC / Exploit Code
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