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CVE-2026-15194— Open5GS AMF context.c amf_context_final use after free

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.

Open5GS是Open5GS组织开源的一个 5G Core 和 Epc 的 C 语言开源实现,即 Lte/Nr 网络的核心网络。 Open5GS 2.7.7版本存在安全漏洞，该漏洞源于AMF组件文件src/amf/context.c中函数amf_context_final的释放后重用，可能导致本地攻击者利用该漏洞。

CVSS 3.3 · Low EPSS 0.12% · P2

Affected Version Matrix 1

VendorProduct Version RangeStatus
n/a Open5GS 2.7.7 affected
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I. Basic Information for CVE-2026-15194

Vulnerability Information
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Vulnerability Title
Open5GS AMF context.c amf_context_final use after free
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in Open5GS 2.7.7. This affects the function amf_context_final of the file src/amf/context.c of the component AMF. Performing a manipulation results in use after free. The attack is only possible with local access. The exploit has been released to the public and may be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
释放后使用
Source: CVE Program / CVE List V5
Vulnerability Title
Open5GS 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Open5GS是Open5GS组织开源的一个 5G Core 和 Epc 的 C 语言开源实现,即 Lte/Nr 网络的核心网络。 Open5GS 2.7.7版本存在安全漏洞，该漏洞源于AMF组件文件src/amf/context.c中函数amf_context_final的释放后重用，可能导致本地攻击者利用该漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Open5GS 2.7.7 cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-15194

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III. Intelligence Information for CVE-2026-15194

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Vendor Advisories for CVE-2026-15194 (1)

Same Patch Batch · n/a · 2026-07-09 · 25 CVEs total

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Showing top 20 of 25 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Open5GS
Same vendor: n/a
Same weakness: CWE-416

V. Comments for CVE-2026-15194

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