8.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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CVE-2026-42860

CVE-2026-42860: Open edx Enterprise Service: SSRF via SAML metadata URL in sync_provider_data endpoint

The Open edx Enterprise Service app provides enterprise features to the Open edX platform. From 7.0.2 to 7.0.4, the sync_provider_data endpoint in SAMLProviderDataViewSet fetches SAML metadata from a URL stored in SAMLProviderConfig.metadata_source. An authenticated user with the Enterprise Admin role can set this field to an arbitrary URL via the SAMLProviderConfigViewSet PATCH endpoint, then trigger a server-side HTTP request by calling sync_provider_data. The fetch in fetch_metadata_xml() passes the URL directly to requests.get() with no scheme enforcement, IP filtering, or timeout. This vulnerability is fixed in 7.0.5.

(GitHub Advisory)

Miggo Vulnerability Database

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CVE-2026-42860

CVE-2026-42860:

8.5

CVSS Score

3.1

-

CVSS Score

Basic Information

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Technical Details

SSVC / BOD 26-04 ↗

Exploitation pocAutomatable NoTech Impact Partial

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Package Name	Ecosystem	Vulnerable Versions	First Patched Version
edx-enterprise	pip	>= 7.0.2, <= 7.0.4	7.0.5

Technical Details

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Root Cause Analysis

The vulnerability exists in the sync_provider_data endpoint, which is part of the SAMLProviderDataViewSet. This endpoint is used to synchronize SAML provider data from a metadata URL. The vulnerability is in the fetch_metadata_xml function, which is called by sync_provider_data. The fetch_metadata_xml function takes a URL as input and makes an HTTP request to that URL using requests.get() without any validation. An authenticated user with the Enterprise Admin role can set the metadata URL to an arbitrary value via the SAMLProviderConfigViewSet PATCH endpoint. By setting the metadata URL to a malicious URL and then calling the sync_provider_data endpoint, an attacker can trigger a Server-Side Request Forgery (SSRF) attack. This can be used to steal cloud credentials, scan internal networks, and access internal APIs.

Vulnerable functions

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WAF Rule

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Reasoning

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