CVE-2026-82587

A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function amf_namf_comm_decode_ue_mm_context_list of the file src/amf/namf-handler.c of the component AMF. This manipulation of the argument ueContext.mmContextList[*].allowedNssai causes memory corruption. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Upgrading to version 2.8.0 is able to resolve this issue. Patch name: abf8a836564b966b5141110fc25ed413c4f17522. It is recommended to upgrade the affected component.

• CWE-119

• https://github.com/open5gs/open5gs/
• https://github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522
• https://github.com/open5gs/open5gs/issues/4398
• https://github.com/open5gs/open5gs/releases/tag/v2.8.0
• https://vuldb.com/cve/CVE-2026-82587
• https://vuldb.com/submit/891890
• https://vuldb.com/vuln/397082
• https://vuldb.com/vuln/397082/cti

Published

Aug 30, 2026

Last Modified

Aug 31, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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