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This vulnerability arises because Indico handles outgoing HTTP requests to external URLs provided by users as part of its regular event-management features. Although input checks are intended to prevent access to internal infrastructure, a security edge case bypasses these controls. Because previous validation logic fails to fully restrict specific crafted inputs, authenticated users with specific permissions can force the underlying application server to query restricted internal locations such as localhost addresses or cloud provider metadata services. This flaw allows malicious actors or untrusted event managers to pivot internally, retrieve sensitive cloud environment configurations, or access protected services that are otherwise shielded behind local network interfaces.
DailyCVE Form:
Platform: Indico
Version: Prior to 3.3.13
Vulnerability : SSRF
Severity: Moderate
date: 2026-10-08
Prediction: Already patched
What Undercode Say:
Bash Commands and Codes
export http_proxy="http://proxy.internal:8080" export https_proxy="http://proxy.internal:8080" systemctl restart indico-uwsgi indico-celery
Exploit: (Educational Purposes!)
import requests target_url = "http://169.254.169.254/latest/meta-data/" crafted_input = "http://localhost:80/secret" Simulating SSRF request evaluation flaw response = requests.get(crafted_input, timeout=5) print(response.text)
Protection: from this CVE
Upgrade the Indico platform immediately to version 3.3.13 or later. Configure explicit proxy environment variables (http_proxy and https_proxy) across both `indico-uwsgi` and `indico-celery` worker services to route and restrict all outbound server requests. Restrict administrative event creation roles to fully trusted personnel.
Impact
Allows authenticated event organizers to exploit edge-case URL validation gaps, triggering Server-Side Request Forgery (SSRF) against internal services, loopback interfaces, or cloud instance metadata endpoints to leak sensitive configuration data.
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Sources:
Reported By: github.com
Extra Source Hub:
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