CVE-2026-52893Wekan: OIDC Account Takeover via Unconditional Email-Based Account Merge in onCreateUser hook
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
Wekan is open source kanban built with Meteor. Prior to 9.32, the Wekan Accounts.onCreateUser hook in server/models/users.js merges OIDC logins into existing accounts when the OIDC email or username matches an existing Wekan user, without verifying ownership or checking email_verified. An attacker using an OIDC provider account with a victim's email or username can cause Wekan to merge the attacker's OIDC credentials into the victim account and then log in as that account. This issue is fixed in version 9.32.
- CVSS
- 9.2 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
- Weakness (CWE)
- CWE-287
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Deferred
- Record last updated
- Jul 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
wekan wekan wekan:wekan (from the name) | before 9.32 | CNA record |
References
- https://github.com/wekan/wekan/security/advisories/GHSA-mp7g-hj5q-gxhqx-refsource-confirm
- https://github.com/wekan/wekan/commit/73204d4e0a7d77a1b186b3d76e8eaf2f3e7c9fd9x-refsource-misc
- https://github.com/wekan/wekan/releases/tag/v9.32x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.