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CVE-2026-82588— Open5GS Transfer Endpoint namf-handler.c null pointer dereference

Quick assessment

Affected

n/a Open5GS

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Open5GS 2.7.7 及之前的版本中，发现了一个安全漏洞。该问题涉及组件 Transfer Endpoint 中文件中对未知处理的某些操作。此类操作会导致空指针解引用（null pointer dereference）。该攻击可远程发起。升级到版本 2.8.0 即可解决此问题。补丁名称为。建议升级受影响的组件以修复此漏洞。

CVSS 4.3 · Medium Updated Aug 31, 2026

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

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Vulnerability Information

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Vulnerability Title

Open5GS Transfer Endpoint namf-handler.c null pointer dereference

Source: CVE Program / CVE List V5

Vulnerability Description

A vulnerability was identified in Open5GS up to 2.7.7. This issue affects some unknown processing of the file src/amf/namf-handler.c of the component Transfer Endpoint. Such manipulation leads to null pointer dereference. The attack can be launched remotely. Upgrading to version 2.8.0 is capable of addressing this issue. The name of the patch is abf8a836564b966b5141110fc25ed413c4f17522. Upgrading the affected component is advised.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Source: CVE Program / CVE List V5

Vulnerability Type

空指针解引用

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
-	Open5GS	2.7.0	`cpe:2.3:a:open5gs:open5gs::::::::`

II. Public POCs for CVE-2026-82588

#	POC Description	Source Link	Shenlong Link

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III. Intelligence Information for CVE-2026-82588

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Same Patch Batch · n/a · 2026-08-30 · 5 CVEs total

CVE-2026-82556	6.3 MEDIUM	Forgejo Repository Migration is_migrate_allowed.go net.LookupIP server-side request forger
CVE-2026-82590	4.3 MEDIUM	Open5GS SMF nudm-handler.c smf_nudm_sdm_handle_get assertion
CVE-2026-82589	4.3 MEDIUM	Open5GS N1-N2 Message namf-handler.c amf_namf_comm_handle_n1_n2_message_transfer denial of
CVE-2026-82587	4.3 MEDIUM	Open5GS AMF namf-handler.c amf_namf_comm_decode_ue_mm_context_list memory corruption

IV. Related Vulnerabilities

Same product: Open5GS

Same vendor: n/a

Same weakness: CWE-476

V. Comments for CVE-2026-82588

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CVE-2026-82588— Open5GS Transfer Endpoint namf-handler.c null pointer dereference

Quick assessment

Possible ATT&CK Techniques 1 AI

I. Basic Information for CVE-2026-82588

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Affected Products

II. Public POCs for CVE-2026-82588

III. Intelligence Information for CVE-2026-82588

Patches & Fixes for CVE-2026-82588 (1)

Vendor Pages for CVE-2026-82588 (1)

Other References for CVE-2026-82588 (4)

Same Patch Batch · n/a · 2026-08-30 · 5 CVEs total

IV. Related Vulnerabilities

V. Comments for CVE-2026-82588

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