CVE-2026-8269— Open5GS SMF smf_nsmf_handle_create_sm_context denial of service
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I. Basic Information for CVE-2026-8269
Vulnerability Information
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Vulnerability Title
Open5GS SMF smf_nsmf_handle_create_sm_context denial of service
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in Open5GS up to 2.7.7. Impacted is the function smf_nsmf_handle_create_sm_context of the component SMF. Performing a manipulation results in denial of service. Remote exploitation of the attack is possible. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
不恰当的资源关闭或释放
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Open5GS | 2.7.0 | cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:* |
II. Public POCs for CVE-2026-8269
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Just a moment...third-party-advisory
- CVE-2026-8269 | Open5GS up to 2.7.7 SMF smf_nsmf_handle_create_sm_context denial of service (Issue 4450)vdb-entrytechnical-description
- https://nvd.nist.gov/vuln/detail/CVE-2026-8269
Same Patch Batch · n/a · 2026-05-11 · 9 CVEs total
| CVE-2026-8261 | 5.9 MEDIUM | Squirrel sqobject.cpp Load heap-based overflow |
| CVE-2026-8258 | 5.3 MEDIUM | Squirrel sqstdstring.cpp validate_format stack-based overflow |
| CVE-2026-8270 | 4.3 MEDIUM | Open5GS SMF ogs_nas_parse_qos_rules denial of service |
| CVE-2026-8268 | 4.3 MEDIUM | Open5GS SMF OpenAPI_list_create denial of service |
| CVE-2026-8267 | 4.3 MEDIUM | Open5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of service |
| CVE-2026-8266 | 4.3 MEDIUM | Open5GS SMF gsm-build.c gsm_build_pdu_session_establishment_accept denial of service |
| CVE-2026-8276 | 3.7 LOW | bettercap MySQL Server mysql_server.go integer coercion |
| CVE-2026-8275 | 3.7 LOW | bettercap zerogod IPP Service zerogod_ipp_primitives.go ippReadChunkedBody integer coercio |
IV. Related Vulnerabilities
Same product: Open5GS
- CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service - CVE-2026-8267
Open5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of s - CVE-2026-8266
Open5GS SMF gsm-build.c gsm_build_pdu_session_establishment_ - CVE-2026-8252
Open5GS SMF smf_nsmf_handle_create_data_in_hsmf null pointer
Same vendor: n/a
- CVE-2026-8276
bettercap MySQL Server mysql_server.go integer coercion - CVE-2026-8275
bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service - CVE-2026-8267
Open5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of s
Same weakness: CWE-404
- CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service - CVE-2026-8267
Open5GS SMF smf_nsmf_handle_created_data_in_vsmf denial of s - CVE-2026-8266
Open5GS SMF gsm-build.c gsm_build_pdu_session_establishment_ - CVE-2026-8251
Open5GS SMF npcf-handler.c update_authorized_pcc_rule_and_qo
V. Comments for CVE-2026-8269
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