CVE-2026-34736 | openedx openedx-platform REST API /api/user/v1/accounts/ activation_key improper authentication (GHSA-m6rg-rp98-4crw)

VDB-355026 · CVE-2026-34736 · GHSA-M6RG-RP98-4CRW OPENEDX OPENEDX-PLATFORM REST API /API/USER/V1/ACCOUNTS/ ACTIVATION_KEY IMPROPER AUTHENTICATION HISTORYDIFFRELATEJSONXMLCTI CVSS Meta Temp Score Current Exploit Price (≈) CTI Interest Score 5.2 $0-$5k 0.61+ Summaryinfo A vulnerability classified as critical was found in openedx openedx-platform. Affected by this issue is some unknown functionality of the file /api/user/v1/accounts/ of the component REST API. The manipulation of the argument activation_key results in improper authentication. This vulnerability is identified as CVE-2026-34736. The attack can be executed remotely. There is not any exploit available. A patch should be applied to remediate this issue. Detailsinfo A vulnerability, which was classified as critical, was found in openedx openedx-platform (version unknown). Affected is an unknown function of the file /api/user/v1/accounts/ of the component REST API. The manipulation of the argument activation_key with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on integrity. CVE summarizes: Open edX Platform enables the authoring and delivery of online learning at any scale. From the maple release to before the ulmo release, an unauthenticated attacker can fully bypass the email verification process by combining two issues: the OAuth2 password grant issuing tokens to inactive users (documented behavior) and the activation_key being exposed in the REST API response at /api/user/v1/accounts/. This issue has been patched in the ulmo release. The advisory is available at github.com. This vulnerability is traded as CVE-2026-34736 since 03/30/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. Applying the patch ad342ae16e6af0b46460ca05f47697ac755feba8 is able to eliminate this problem. The bugfix is ready for download at github.com. Productinfo Vendor openedx Name openedx-platform License open-source Website Product: https://github.com/openedx/openedx-platform/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 5.3 VulDB Meta Temp Score: 5.2 VulDB Base Score: 5.3 VulDB Temp Score: 5.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CNA Base Score: 5.3 CNA Vector (GitHub_M): 🔒 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Improper authentication CWE: CWE-287 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Patch Status: 🔍 0-Day Time: 🔒 Patch: ad342ae16e6af0b46460ca05f47697ac755feba8 Timelineinfo 03/30/2026 CVE reserved 04/02/2026 +3 days VulDB entry created 04/03/2026 +0 days Advisory disclosed 04/03/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: GHSA-m6rg-rp98-4crw Status: Confirmed CVE: CVE-2026-34736 (🔒) GCVE (CVE): GCVE-0-2026-34736 GCVE (VulDB): GCVE-100-355026 Entryinfo Created: 04/03/2026 00:05 Changes: 04/03/2026 00:05 (67) Complete: 🔍 Cache ID: 99:57B:101 Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸