CVE-2026-108105 (GCVE-0-2026-108105)

Vulnerability from cvelistv5 – Published: 2026-10-09 14:08 – Updated: 2026-10-09 17:29
VLAI
Title
Open5GS through 2.8.0 MME Reachable Assertion via GTPv1 SGSN Context Request
Summary
Open5GS through 2.8.0 contains a reachable assertion vulnerability in mme_gn_handle_sgsn_context_request() that allows remote unauthenticated attackers to crash the MME via malformed SGSN Address IEs. Attackers sending GTPv1-C traffic from a configured SGSN address with a known UE IMSI or P-TMSI can supply an invalid address length to terminate open5gs-mmed, denying service to all subscribers.
Severity
8.2 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
5.9 (Medium)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-09 17:28 UTC
CWE
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 5499 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
open5gs open5gs Affected: 0 , ≤ 2.8.0 (semver)
    cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-08-12 00:00
Credits
Tristan Madani
Show details on NVD website
To clipboard 

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