EUVD-2026-70223Severity by source
AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
PR:H confirmed by test showing non-staff users are denied; S:C because SSRF pivots to out-of-scope internal systems; no integrity or availability impact on the exploit path.
Primary rating from Vendor (GitHub_M).
CVSS VectorVendor: GitHub_M
Lifecycle Timeline
3DescriptionCVE.org
Open edX Platform enables the authoring and delivery of online learning at any scale. Prior to commit 00b7c3c, the endpoint accepts user-supplied files[].url, performs a server-side fetch using "requests.get(url, allow_redirects=True)". The fetched bytes are then returned inside a ZIP response. This enables SSRF with response exfiltration. Redirect-following is enabled, and there is no timeout in the vulnerable fetch path. This issue has been patched via commit 00b7c3c.
AnalysisAI
Server-Side Request Forgery with full response exfiltration in Open edX Platform's Studio CMS video download endpoint allows authenticated course staff to pivot from the application server into internal networks. A course staff user submits an attacker-controlled URL in the files[].url parameter; the CMS backend unconditionally fetches the target via requests.get(url, allow_redirects=True) and packages the raw response bytes into a ZIP returned to the caller. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires a valid Studio CMS account with at minimum course staff or read-access privileges to a course - confirmed by the patch's test case `test_non_staff_user_denied`, which shows a non-staff user receives HTTP 403 before the fetch path is reached. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The provided CVSS vector CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N and score of 6.8 are consistent with the vulnerability's characteristics. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The upstream fix is available via commit 00b7c3ce418b487c5696b064fc5033594b045e75 on the openedx-platform repository, with additional related commits at 241b914a191ec24658b9cde75a7114db40a5d53a and c9831c2c9f53b7aa9a61d80e6d91a9941ce52ec6. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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