openedx openedx-platform REST API /api/user/v1/accounts/ activation_key improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.2$0-$5k1.24-

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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Name

License

Website

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

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔒

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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: 216:6A5:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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