Open5gs
CVE-2026-1736
MEDIUM
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Lifecycle Timeline
3DescriptionCVE.org
A security vulnerability has been detected in Open5GS up to 2.7.6. Impacted is the function sgwc_s11_handle_create_indirect_data_forwarding_tunnel_request of the file /src/sgwc/s11-handler.c of the component SGWC. Such manipulation leads to reachable assertion. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. A patch should be applied to remediate this issue. The issue report is flagged as already-fixed.
AnalysisAI
Open5GS versions up to 2.7.6 contain a reachable assertion vulnerability in the SGWC S11 handler that can be triggered remotely without authentication to cause a denial of service. Public exploit code exists for this vulnerability, and while a patch is reported as already-fixed, it remains unavailable for affected deployments.
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Vulnerability AssessmentAI
| Risk Assessment | CVSS 5.3 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A remote attacker could exploit this flaw, reachable assertion. |
| Remediation | Monitor vendor advisories for a patch. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 30 days: Identify affected systems running Open5GS and apply vendor patches as part of regular patch cycle. …
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External POC / Exploit Code
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