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CVE-2026-47895

Quick assessment

Affected
strongSwan strongSwan
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

strongSwan strongswan是strongSwan团队开源的一个IPsecVPN协议栈软件。 strongswan 6.0.7之前版本存在资源管理错误漏洞，该漏洞源于身份解析/克隆处理不当，解析的EAP身份产生空但非NULL编码时未正确克隆，触发双重释放。

CVSS 7.5 · High EPSS 0.42% · P35

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
strongSwan strongSwan 4.3.3< 6.0.7 affected
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I. Basic Information for CVE-2026-47895

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In strongSwan before 6.0.7, identity parsing/cloning is mishandled. Parsed EAP-Identities that result in an empty but non-NULL encoding are not correctly cloned and trigger a double-free once the duplicates are destroyed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
双重释放
Source: CVE Program / CVE List V5
Vulnerability Title
strongswan 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
strongSwan strongswan是strongSwan团队开源的一个IPsecVPN协议栈软件。 strongswan 6.0.7之前版本存在资源管理错误漏洞，该漏洞源于身份解析/克隆处理不当，解析的EAP身份产生空但非NULL编码时未正确克隆，触发双重释放。
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
strongSwan strongSwan 4.3.3 ~ 6.0.7 -

II. Public POCs for CVE-2026-47895

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
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claude_code · 8910 chars
GitHub 复现环境（可 clone 直接跑）
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
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III. Intelligence Information for CVE-2026-47895

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Vendor Pages for CVE-2026-47895 (1)

IV. Related Vulnerabilities

Same product: strongSwan
Same vendor: strongSwan
Same weakness: CWE-415

V. Comments for CVE-2026-47895

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