CVE-2026-108105
5.9 MEDIUMpublic exploit availablePublished 2026-10-09 · Updated 2026-10-09
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-617
Public exploit & PoC references
- https://github.com/open5gs/open5gs
- https://github.com/open5gs/open5gs/blob/v2.8.0/src/mme/mme-gn-handler.c#L208-L217
- https://github.com/open5gs/open5gs/commit/346ce7a5e5cf2812bac3af042b5afba35bcf4f89
- https://github.com/open5gs/open5gs/security/advisories/GHSA-9crh-64c8-56q6
- https://github.com/open5gs/open5gs/security/advisories/GHSA-9crh-64c8-56q6
All references
- https://github.com/open5gs/open5gs
- https://github.com/open5gs/open5gs/blob/v2.8.0/src/mme/mme-gn-handler.c#L208-L217
- https://github.com/open5gs/open5gs/commit/346ce7a5e5cf2812bac3af042b5afba35bcf4f89
- https://github.com/open5gs/open5gs/security/advisories/GHSA-9crh-64c8-56q6
- https://www.vulncheck.com/advisories/open5gs-through-2.8.0-mme-reachable-assertion-via-gtpv1-sgsn-context-request
- https://github.com/open5gs/open5gs/security/advisories/GHSA-9crh-64c8-56q6
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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