CVE-2026-49345
MediumCVSS 5.3Exploitation Probability (EPSS)
Low risk41th percentile - higher than 41% of all known CVEs
Summary
In the Mercator application prior to version 2025.05.19, a Server-Side Request Forgery (SSRF) vulnerability exists in the CVE configuration panel. The `testProvider()` method in `ConfigurationController` does not validate user input, allowing authenticated users with the right permissions to force arbitrary outbound network requests.
Risk Assessment
This vulnerability could lead to unauthorized access to internal services and potential remote code execution, posing a serious threat to the organization's security.
Recommendation
It is recommended to upgrade to version 2025.05.19 or later to mitigate this vulnerability. Additionally, implementing further input validation mechanisms in the application is advisable.
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Original NVD description (English source)
Mercator is an open source web application that enables mapping of the information system. Prior to version 2025.05.19, a Server-Side Request Forgery (SSRF) vulnerability exists in Mercator's CVE configuration panel (`/admin/config/parameters`). The `testProvider()` method in `ConfigurationController` passes user-supplied input directly to `curl_init()` without validating the scheme, hostname, or destination IP address. An authenticated user with the `configure` permission can force the Mercator server to issue arbitrary outbound network requests. The suffix `/api/dbInfo` appended to the URL can be bypassed by injecting a `#` fragment character (e.g. `http://TARGET/PATH#`), allowing full control over the target URL. No scheme whitelist, host whitelist, or private/loopback IP block is applied. The `telnet://` scheme can be used for internal port scanning; the `gopher://` scheme enables interaction with unauthenticated internal services (Redis, Memcached), potentially leading to Remote Code Execution under specific deployment conditions. Version 2025.05.19 patches the issue.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

