Open edX Platform: SSRF in Studio Video Download Endpoint

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-55421
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-09-02 17:17:46 UTC
Updated2026-09-04 03:17:41 UTC
DescriptionOpen 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.

Risk And Classification

Primary CVSS: v3.1 6.8 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

EPSS: 0.002640000 probability, percentile 0.180100000 (date 2026-09-03)

Problem Types: CWE-918 | CWE-918 CWE-918: Server-Side Request Forgery (SSRF)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
3.1CNADECLARED6.8MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Openedx Openedx-platform affected < 00b7c3ce418b487c5696b064fc5033594b045e75 Not specified

References

ReferenceSourceLinkTags
github.com/openedx/openedx-platform/commit/c9831c2c9f53b7aa9a61d80e6d91a... [email protected] github.com
github.com/openedx/openedx-platform/security/advisories/GHSA-fpf9-9rpr-jvrx [email protected] github.com
github.com/openedx/openedx-platform/commit/241b914a191ec24658b9cde75a711... [email protected] github.com
github.com/openedx/openedx-platform/commit/00b7c3ce418b487c5696b064fc503... [email protected] github.com
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