CVE-2026-40516
Server-Side Request Forgery in OpenHarness web_fetch and web_search
Publication date: 2026-04-17
Last updated on: 2026-04-24
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| hkuds | openharness | to 2026-04-11 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-918 | The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in OpenHarness before commit bd4df81 and is a server-side request forgery (SSRF) issue found in the web_fetch and web_search tools.
Attackers can manipulate parameters of these tools without proper validation of target addresses, allowing them to make the server send requests to private or localhost HTTP services.
This means an attacker can cause the server to access internal resources such as local development services, cloud metadata endpoints, admin panels, or other private HTTP services that are normally not accessible externally.
How can this vulnerability impact me? :
The vulnerability can allow attackers to read sensitive information from internal services that are not intended to be exposed externally.
By exploiting this SSRF, attackers might gain access to private data, configuration details, or administrative interfaces, potentially leading to further compromise of the system or network.