Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-82589
n/a Open5GS — Open5GS N1-N2 Message namf-handler.c amf_namf_comm_handle_n1_n2_message_transfer denial of service
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N L N N N L 2.1 .0054 43.8 —
AFFECTED
Product Versions Fixed
Open5GS 2.7.0 – 2.8.0
TIMELINE
Aug 30 Reserved by VulDB
Aug 30 Published (CNA: VulDB)
Aug 31 EXPLOIT PUBLISHED — CVE-2026-82589 (Open5GS). Public exploit reference added.
Description
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.
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| August 30, 2026 | Reserved | Reserved by VulDB |
| August 30, 2026 | Published | Published (CNA: VulDB) |
| August 31, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-82589 (Open5GS). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| n/a | Open5GS | — | 2.7.0 | 2.8.0 |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-82589 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.