CVE-2026-82589Open5GS N1-N2 Message namf-handler.c amf_namf_comm_handle_n1_n2_message_transfer denial of service
Updated under an hour ago ()
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It affects n/a Open5GS. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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A security flaw has been discovered in Open5GS up to 2.7.7. Impacted is the function amf_namf_comm_handle_n1_n2_message_transfer of the file src/amf/namf-handler.c of the component N1-N2 Message Handler. Performing a manipulation of the argument N1N2MessageTransferReqData.n2InfoContainer.smInfo.n2InfoContent.ngapIeType results in denial of service. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 2.8.0 is recommended to address this issue. The patch is named abf8a836564b966b5141110fc25ed413c4f17522. It is advisable to upgrade the affected component.
- CVSS
- 4.3 MEDIUM (v3.1, CNA)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
- Weakness (CWE)
- CWE-404
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulDB
- NVD analysis
- Deferred
- Record last updated
- Aug 31, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
n/a Open5GS open5gs: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; and 1 more ranges | CNA record |
References
- https://vuldb.com/vuln/397084vdb-entry, technical-description
- https://vuldb.com/vuln/397084/ctisignature, permissions-required
- https://vuldb.com/cve/CVE-2026-82589third-party-advisory
- https://vuldb.com/submit/891892third-party-advisory
- https://github.com/open5gs/open5gs/issues/4396exploit, issue-tracking
- https://github.com/open5gs/open5gs/commit/abf8a836564b966b5141110fc25ed413c4f17522patch
- https://github.com/open5gs/open5gs/releases/tag/v2.8.0patch
- https://github.com/open5gs/open5gs/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.