VulnerabilityAnalyzed
CVE-2026-8266
A vulnerability was detected in Open5GS up to 2.7.7.
LOW 2.1EPSS 0.46%
Does this matter?
Lower severity and a low EPSS score (0.46%). Track it; it rarely justifies an emergency change on its own.
Description
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.
- CVSS 4.0
- 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.46% probability · 39th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-404
- Affected
- open5gs/open5gs
- Source
- cna@vuldb.com
References
- https://github.com/open5gs/open5gs/Product
- https://github.com/open5gs/open5gs/issues/4447Exploit, Issue Tracking
- https://vuldb.com/submit/808483Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/362563Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/362563/ctiPermissions Required, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.