Datahub

DataHub is an open-source metadata platform. In affected versions a low privileged user could remove a user, edit group members, or edit another user's profile information. The default privileges gave too many broad permissions to low privileged users. These have been constrained in PR #9067 to prevent abuse. This issue can result in privilege escalation for lower privileged users up to admin privileges, potentially, if a group with admin privileges exists. May not impact instances that have modified default privileges. This issue has been addressed in datahub version 0.12.1. Users are advised to upgrade.

Published: 2024-01-16T22:16:48.690Z
Updated: 2025-06-17T21:19:16.215Z

DataHub is an open-source metadata platform. The HMAC signature for DataHub Frontend sessions was being signed using a SHA-1 HMAC with the frontend secret key. SHA1 with a 10 byte key can be brute forced using sufficient resources (i.e. state level actors with large computational capabilities). DataHub Frontend was utilizing the Play LegacyCookiesModule with default settings which utilizes a SHA1 HMAC for signing. This is compounded by using a shorter key length than recommended by default for the signing key for the randomized secret value. An authenticated attacker (or attacker who has otherwise obtained a session token) could crack the signing key for DataHub and obtain escalated privileges by generating a privileged session cookie. Due to key length being a part of the risk, deployments should update to the latest helm chart and rotate their session signing secret. All deployments using the default helm chart configurations for generating the Play secret key used for signing are affected by this vulnerability. Version 0.11.1 resolves this vulnerability. All users are advised to upgrade. There are no known workarounds for this vulnerability.

Published: 2023-11-14T20:55:02.080Z
Updated: 2025-01-07T19:13:55.393Z

DataHub is an open-source metadata platform. In affected versions sign-up through an invite link does not properly restrict users from signing up as privileged accounts. If a user is given an email sign-up link they can potentially create an admin account given certain preconditions. If the default datahub user has been removed, then the user can sign up for an account that leverages the default policies giving admin privileges to the datahub user. All DataHub instances prior to the patch that have removed the datahub user, but not the default policies applying to that user are affected. Users are advised to update to version 0.12.1 which addresses the issue. There are no known workarounds for this vulnerability.

Published: 2023-11-14T00:32:12.079Z
Updated: 2024-09-03T14:41:13.540Z

DataHub is an open-source metadata platform. DataHub Frontend's sessions are configured using Play Framework's default settings for stateless session which do not set an expiration time for a cookie. Due to this, if a session cookie were ever leaked, it would be valid forever. DataHub uses a stateless session cookie that is not invalidated on logout, it is just removed from the browser forcing the user to login again. However, if an attacker extracted a cookie from an authenticated user it would continue to be valid as there is no validation on a time window the session token is valid for due to a combination of the usage of LegacyCookiesModule from Play Framework and using default settings which do not set an expiration time. All DataHub instances prior to the patch that have removed the datahub user, but not the default policies applying to that user are affected. Users are advised to update to version 0.12.1 which addresses the issue. There are no known workarounds for this vulnerability.

Published: 2023-11-14T00:33:12.602Z
Updated: 2024-09-03T14:35:43.816Z

DataHub is an open-source metadata platform. In versions of DataHub prior to 0.8.45 Session cookies are only cleared on new sign-in events and not on logout events. Any authentication checks using the `AuthUtils.hasValidSessionCookie()` method could be bypassed by using a cookie from a logged out session, as a result any logged out session cookie may be accepted as valid and therefore lead to an authentication bypass to the system. Users are advised to upgrade. There are no known workarounds for this issue. This vulnerability was discovered and reported by the GitHub Security lab and is tracked as GHSL-2022-083.

Published: 2023-02-10T22:03:00.889Z
Updated: 2025-03-10T21:13:45.824Z