CVE-2026-88403
Received Received - Intake

SSRF in NocoBase v2.1.21 via serverRequest

Vulnerability report for CVE-2026-88403, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.

Publication date: 2026-09-21

Last updated on: 2026-09-21

Assigner: MITRE

Description

A Server-Side Request Forgery (SSRF) in the serverRequest function of nocobase v2.1.21 allows authenticated attackers to scan internal resources via a crafted HTTP request.

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Meta Information

Published
2026-09-21
Last Modified
2026-09-21
Generated
2026-09-22
AI Q&A
2026-09-22
EPSS Evaluated
N/A
NVD

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
nocobase nocobase 2.1.21

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-UNKNOWN

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Executive Summary

This is a Server-Side Request Forgery (SSRF) vulnerability in nocobase v2.1.21. It allows authenticated attackers to send crafted HTTP requests that trick the server into accessing internal resources it should not be able to reach.

Detection Guidance

Detecting SSRF vulnerabilities typically involves monitoring network traffic for unusual internal requests. Check server logs for outbound requests to private IP ranges (e.g., 10.0.0.0/8, 172.16.0.0/12, 192.168.0.0/16) or internal hostnames. Use tools like tcpdump or Wireshark to capture traffic from the affected server.

Impact Analysis

An attacker could exploit this to scan internal networks, access sensitive internal services, or exfiltrate data from internal systems that the server can communicate with.

Compliance Impact

The SSRF vulnerability in nocobase v2.1.21 could potentially expose internal resources, which may lead to unauthorized access to sensitive data. This could impact compliance with GDPR by risking data breaches and unauthorized processing of personal data, and with HIPAA by potentially exposing protected health information if internal systems are accessed.

Mitigation Strategies

Immediately update nocobase to the latest version beyond v2.1.21. Restrict outbound network access from the server using firewalls or security groups. Disable unnecessary internal services and implement input validation for HTTP requests to prevent crafted payloads.

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