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CVE-2026-78186— Open5GS HSS hss-cx-path.c assertion

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 2.8.0 及更早版本中发现了一个安全漏洞。该漏洞影响 HSS 组件中的 src/hss/hss-cx-path.c 文件的某个未知函数。对参数 User-Name 的不当处理会导致可触发的断言失败（reachable assertion）。攻击者可通过网络远程利用此漏洞。相关利用代码已被公开，存在被实际利用的风险。补丁编号为：c9abe09421eb99bbf1cd7862a3d375e58a4eb9e4。建议尽快应用该补丁以修复此问题。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-78186

Vulnerability Information
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Vulnerability Title
Open5GS HSS hss-cx-path.c assertion
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in Open5GS up to 2.8.0. This affects an unknown function of the file src/hss/hss-cx-path.c of the component HSS. This manipulation of the argument User-Name causes reachable assertion. The attack is possible to be carried out remotely. The exploit has been published and may be used. Patch name: c9abe09421eb99bbf1cd7862a3d375e58a4eb9e4. It is recommended to apply a patch to fix this issue.
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
可达断言
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
- Open5GS 2.0 cpe:2.3:a:open5gs:open5gs:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-78186

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III. Intelligence Information for CVE-2026-78186

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Patches & Fixes for CVE-2026-78186 (1)

Vendor Advisories for CVE-2026-78186 (2)

Other References for CVE-2026-78186 (2)

Same Patch Batch · n/a · 2026-08-24 · 19 CVEs total

CVE-2026-78157 7.4 HIGH Open5GS Rx AA-Request pcrf-rx-path.c pcrf_rx_aar_cb out-of-bounds
CVE-2026-78178 7.3 HIGH jQWidgets jqx-all.js jqxBaseFramework.extend prototype pollution
CVE-2026-78158 6.3 MEDIUM Open5GS AMF UEContextReleaseRequest Path improper authorization
CVE-2026-78187 3.1 LOW Piwigo Public Authentication cross site scripting
CVE-2022-30983 Nopaperforms Niaa-Chatbot<=2022-05-17跨站脚本漏洞
CVE-2026-56135 NTFS-3G<2026.2.25堆缓冲区溢出漏洞
CVE-2026-56136 NTFS-3G漏洞：索引.c越界读取致信息泄露
CVE-2026-52490 LibTiff 代码执行漏洞
CVE-2026-52492 libtiff rgb2ycbcr堆缓冲区溢出漏洞
CVE-2026-75464 OneNav 1.2.4 存在认证任意文件删除漏洞
CVE-2025-26238 D-Link DI-8100G 17.12.20A1 任意代码执行漏洞
CVE-2026-71832 Aria2 1.37.0及以下版本除零漏洞致拒绝服务
CVE-2026-75369 SpaceDot AcubeSAT OBC越界读取致DoS
CVE-2026-75368 SpaceDot AcubeSAT OBC eaf90ec栈溢出导致DoS
CVE-2025-26237 D-Link DI-7001 19.10.31A1命令注入漏洞
CVE-2026-75371 SpaceDot AcubeSAT OBC eaf90ec整型处理漏洞致DoS
CVE-2026-75370 SpaceDot AcubeSAT OBC越界读写导致DoS漏洞
CVE-2026-30512 Entevo HMI V2 R5 P0 M4本地提权漏洞

IV. Related Vulnerabilities

Same product: Open5GS
Same vendor: n/a
Same weakness: CWE-617

V. Comments for CVE-2026-78186

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