VulnerabilityAnalyzed
CVE-2026-8743
A vulnerability was found in Open5GS up to 2.7.6.
LOW 2.1EPSS 0.22%
Does this matter?
Lower severity and a low EPSS score (0.22%). Track it; it rarely justifies an emergency change on its own.
Description
A vulnerability was found in Open5GS up to 2.7.6. This impacts the function ran_ue_find_by_amf_ue_ngap_id of the file src/amf/context.c of the component AMF/MME. Performing a manipulation results in improper authorization. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The patch is named 5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1. It is suggested to install a patch to address this issue.
- CVSS 4.0
- 2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/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
- 0.22% probability · 13th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-266, CWE-285
- Affected
- open5gs/open5gs
- Source
- cna@vuldb.com
References
- https://github.com/open5gs/open5gs/Product
- https://github.com/open5gs/open5gs/commit/5746b8576cfceec18ed87eb7d8cf11b1fb4cd8b1Patch
- https://github.com/open5gs/open5gs/issues/4498Exploit, Issue Tracking
- https://github.com/open5gs/open5gs/pull/4553Issue Tracking, Patch
- https://vuldb.com/submit/814559Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/364330Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/364330/ctiPermissions Required, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.