CVE-2026-40516— OpenHarness SSRF via web_fetch and web_search
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I. Basic Information for CVE-2026-40516
Vulnerability Information
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Vulnerability Title
OpenHarness SSRF via web_fetch and web_search
Source: NVD (National Vulnerability Database)
Vulnerability Description
OpenHarness before commit bd4df81 contains a server-side request forgery vulnerability in the web_fetch and web_search tools that allows attackers to access private and localhost HTTP services by manipulating tool parameters without proper validation of target addresses. Attackers can influence an agent session to invoke these tools against loopback, RFC1918, link-local, or other non-public addresses to read response bodies from local development services, cloud metadata endpoints, admin panels, or other private HTTP services reachable from the victim host.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
服务端请求伪造(SSRF)
Source: NVD (National Vulnerability Database)
Vulnerability Title
OpenHarness 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenHarness是Data Intelligence Lab@HKU开源的一个轻量级智能体开发与运行框架。 OpenHarness存在安全漏洞，该漏洞源于web_fetch和web_search工具缺少目标地址验证，可能导致服务器端请求伪造攻击。
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 |
|---|---|---|---|---|
| HKUDS | OpenHarness | 0 ~ bd4df81f634f8c7cddcc3fdf7f561a13dcbf03ae | - |
II. Public POCs for CVE-2026-40516
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: OpenHarness
- CVE-2026-7551
HKUDS OpenHarness Remote Command Execution via /bridge Slash - CVE-2026-6823
HKUDS OpenHarness Insecure Default Remote Channel Allowlist - CVE-2026-6819
HKUDS OpenHarness Plugin Management Command Exposure - CVE-2026-6729
HKUDS OpenHarness Session Key Collision Privilege Escalation - CVE-2026-40515
OpenHarness Permission Bypass via grep and glob root argumen
Same vendor: HKUDS
- CVE-2026-7551
HKUDS OpenHarness Remote Command Execution via /bridge Slash - CVE-2026-6823
HKUDS OpenHarness Insecure Default Remote Channel Allowlist - CVE-2026-6819
HKUDS OpenHarness Plugin Management Command Exposure - CVE-2026-6729
HKUDS OpenHarness Session Key Collision Privilege Escalation - CVE-2026-40515
OpenHarness Permission Bypass via grep and glob root argumen
Same weakness: CWE-918
- CVE-2026-8193
Akaunting Invoice PDF Rendering dompdf.php server-side reque - CVE-2026-44313
LinkWarden: Server-Side Request Forgery (SSRF) in Link Creat - CVE-2026-42352
pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processe - CVE-2026-42346
Postiz: TOCTOU DNS rebinding bypasses all SSRF URL validatio - CVE-2026-42339
New API: SSRF Filter Bypass via 0.0.0.0
V. Comments for CVE-2026-40516
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