CVE-2026-82587
Open5GS AMF namf-handler.c amf_namf_comm_decode_ue_mm_context_list memory corruption
CVSS Score
4.3
EPSS Score
0.0%
EPSS Percentile
0th
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 | CWE-119 |
| Vendor | n/a |
| Product | open5gs |
| Published | Aug 30, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
n/a / Open5GS
2.7.0 2.7.1 2.7.2 2.7.3 2.7.4 2.7.5 2.7.6 2.7.7
References
vuldb.com: https://vuldb.com/vuln/397082 vuldb.com: https://vuldb.com/vuln/397082/cti vuldb.com: https://vuldb.com/cve/CVE-2026-82587 vuldb.com: https://vuldb.com/submit/891890 github.com: https://github.com/open5gs/open5gs/issues/4398 github.com: https://github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522 github.com: https://github.com/open5gs/open5gs/releases/tag/v2.8.0 github.com: https://github.com/open5gs/open5gs/
Credits
🔍 ZiyuLin (VulDB User)