Vulnerability Details CVE-2026-8266
A vulnerability was detected in Open5GS up to 2.7.7. This affects the function gsm_build_pdu_session_establishment_accept of the file /src/smf/gsm-build.c of the component SMF. The manipulation results in denial of service. The attack can be launched remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 2.8%
CVSS Severity
CVSS v3 Score 4.3
CVSS v2 Score 4.0
References
Products affected by CVE-2026-8266
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cpe:2.3:a:open5gs:open5gs:-
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cpe:2.3:a:open5gs:open5gs:0.1.0
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cpe:2.3:a:open5gs:open5gs:0.1.1
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cpe:2.3:a:open5gs:open5gs:0.2.0
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cpe:2.3:a:open5gs:open5gs:0.3.0
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cpe:2.3:a:open5gs:open5gs:0.3.1
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cpe:2.3:a:open5gs:open5gs:0.3.10
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cpe:2.3:a:open5gs:open5gs:0.3.11
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cpe:2.3:a:open5gs:open5gs:0.3.2
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cpe:2.3:a:open5gs:open5gs:0.3.3
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cpe:2.3:a:open5gs:open5gs:0.3.4
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cpe:2.3:a:open5gs:open5gs:0.3.5
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cpe:2.3:a:open5gs:open5gs:0.3.6
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cpe:2.3:a:open5gs:open5gs:0.3.7
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cpe:2.3:a:open5gs:open5gs:0.3.8
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cpe:2.3:a:open5gs:open5gs:0.3.9
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cpe:2.3:a:open5gs:open5gs:0.4.0
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cpe:2.3:a:open5gs:open5gs:0.4.1
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cpe:2.3:a:open5gs:open5gs:0.4.2
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cpe:2.3:a:open5gs:open5gs:0.4.3
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cpe:2.3:a:open5gs:open5gs:0.4.4
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cpe:2.3:a:open5gs:open5gs:0.5.0
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cpe:2.3:a:open5gs:open5gs:0.5.1
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cpe:2.3:a:open5gs:open5gs:0.5.2
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cpe:2.3:a:open5gs:open5gs:1.0.0
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cpe:2.3:a:open5gs:open5gs:1.1.0
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cpe:2.3:a:open5gs:open5gs:1.2.0
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cpe:2.3:a:open5gs:open5gs:1.2.1
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cpe:2.3:a:open5gs:open5gs:1.2.2
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cpe:2.3:a:open5gs:open5gs:1.2.3
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cpe:2.3:a:open5gs:open5gs:1.2.4
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cpe:2.3:a:open5gs:open5gs:1.3.0
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cpe:2.3:a:open5gs:open5gs:2.0.0
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cpe:2.3:a:open5gs:open5gs:2.0.18
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cpe:2.3:a:open5gs:open5gs:2.0.20
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cpe:2.3:a:open5gs:open5gs:2.0.21
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cpe:2.3:a:open5gs:open5gs:2.0.22
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cpe:2.3:a:open5gs:open5gs:2.1.0
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cpe:2.3:a:open5gs:open5gs:2.1.1
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cpe:2.3:a:open5gs:open5gs:2.1.3
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cpe:2.3:a:open5gs:open5gs:2.1.4
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cpe:2.3:a:open5gs:open5gs:2.1.5
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cpe:2.3:a:open5gs:open5gs:2.1.7
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cpe:2.3:a:open5gs:open5gs:2.2.0
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cpe:2.3:a:open5gs:open5gs:2.2.1
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cpe:2.3:a:open5gs:open5gs:2.2.2
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cpe:2.3:a:open5gs:open5gs:2.2.3
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cpe:2.3:a:open5gs:open5gs:2.2.4
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cpe:2.3:a:open5gs:open5gs:2.2.5
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cpe:2.3:a:open5gs:open5gs:2.2.6
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cpe:2.3:a:open5gs:open5gs:2.2.7
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cpe:2.3:a:open5gs:open5gs:2.2.8
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cpe:2.3:a:open5gs:open5gs:2.2.9
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cpe:2.3:a:open5gs:open5gs:2.3.0
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cpe:2.3:a:open5gs:open5gs:2.3.1
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cpe:2.3:a:open5gs:open5gs:2.3.2
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cpe:2.3:a:open5gs:open5gs:2.3.3
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cpe:2.3:a:open5gs:open5gs:2.3.4
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cpe:2.3:a:open5gs:open5gs:2.3.6
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cpe:2.3:a:open5gs:open5gs:2.4.0
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cpe:2.3:a:open5gs:open5gs:2.4.1
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cpe:2.3:a:open5gs:open5gs:2.4.10
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cpe:2.3:a:open5gs:open5gs:2.4.11
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cpe:2.3:a:open5gs:open5gs:2.4.12
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cpe:2.3:a:open5gs:open5gs:2.4.13
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cpe:2.3:a:open5gs:open5gs:2.4.2
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cpe:2.3:a:open5gs:open5gs:2.4.3
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cpe:2.3:a:open5gs:open5gs:2.4.4
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cpe:2.3:a:open5gs:open5gs:2.4.5
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cpe:2.3:a:open5gs:open5gs:2.4.6
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cpe:2.3:a:open5gs:open5gs:2.4.7
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cpe:2.3:a:open5gs:open5gs:2.4.8
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cpe:2.3:a:open5gs:open5gs:2.4.9
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cpe:2.3:a:open5gs:open5gs:2.5.6
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cpe:2.3:a:open5gs:open5gs:2.5.7
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cpe:2.3:a:open5gs:open5gs:2.6.4
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cpe:2.3:a:open5gs:open5gs:2.6.6
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cpe:2.3:a:open5gs:open5gs:2.7.0
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cpe:2.3:a:open5gs:open5gs:2.7.1
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cpe:2.3:a:open5gs:open5gs:2.7.2
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cpe:2.3:a:open5gs:open5gs:2.7.3
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cpe:2.3:a:open5gs:open5gs:2.7.5
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cpe:2.3:a:open5gs:open5gs:2.7.6