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The vulnerability, CVE-2026-1062, is a Server-Side Request Forgery (SSRF) found in xiweicheng TMS versions up to 2.28.0. The issue resides in the `Summary` function within the `src/main/java/com/lhjz/portal/util/HtmlUtil.java` file. This function processes a `url` argument provided by the user. Due to insufficient validation or sanitization of this input, an attacker can manipulate the `url` parameter to make the server initiate arbitrary HTTP requests. This allows an attacker to force the server to send crafted requests to unintended destinations. These destinations can include internal systems that are not directly accessible from the external network, services running on the server’s localhost, or external third parties. The attack can be carried out remotely by a low-privileged user without requiring any user interaction. Because the request originates from the vulnerable server, it can bypass network-based access controls and firewall rules, potentially leading to unauthorized access to internal resources, data leakage, or further network exploitation. The exploit for this vulnerability has been published, increasing the risk of active exploitation .
Platform: xiweicheng TMS
Version: up to 2.28.0
Vulnerability : Server-Side Request Forgery
Severity: Medium
date: 01/17/2026
Prediction: 30 days
What Undercode Say:
Analytics:
The vulnerability is present in the `HtmlUtil.java` file, specifically within the `Summary` function. To identify if your instance is vulnerable, you can search for code patterns that handle URL parameters without proper validation. Use the following commands to inspect the codebase if you have access to the source:
`find . -name “.java” -exec grep -l “HtmlUtil.Summary” {} \;`
`grep -r “public . Summary” src/main/java/com/lhjz/portal/util/`
Exploit:
A published proof-of-concept exists. An attacker can exploit this by crafting a request to the vulnerable endpoint with a malicious `url` parameter. The following is a conceptual example of how the request might be structured:
`GET /vulnerable-endpoint?url=http://169.254.169.254/latest/meta-data/ HTTP/1.1`
`Host: target.tms.com`
In this example, the attacker attempts to make the server query the AWS metadata service, which is a common SSRF target. The exact endpoint and parameter names would need to be identified through reconnaissance of the specific TMS installation .
Protection from this CVE:
- Upgrade: Apply the patch or upgrade to a version higher than 2.28.0 as soon as it becomes available from xiweicheng.
- Input Validation: Implement a strict allowlist of permitted URLs or domain names for the `url` parameter. Block requests to internal IP addresses (e.g., 127.0.0.1, 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16) and metadata IPs (e.g., 169.254.169.254).
- Network Segmentation: Restrict outbound network access from the application server using firewalls to prevent it from reaching sensitive internal services.
- Disable Unnecessary Features: If the `Summary` function is not critical, consider disabling it or removing the vulnerable code.
Impact:
Successful exploitation of this SSRF vulnerability can allow an attacker to:
Scan and map internal network infrastructure behind the firewall.
Read or modify data from internal services that do not require authentication (e.g., internal databases, configuration management tools).
Interact with cloud instance metadata services to retrieve temporary credentials, potentially leading to a cloud account compromise.
Bypass IP-based authentication mechanisms to perform actions on other internal systems.
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Sources:
Reported By: nvd.nist.gov
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