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TI-2026-48456 Aliases CVE-2026-68901

NULL pointer dereference in wekan

Priority MEDIUM 62CWE-476Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-476.

Summary

Wekan is open source kanban built with Meteor. Prior to 10.38, the /api/boards/:boardId/export, /api/boards/:boardId/attachments/:attachmentId/export, /api/boards/:boardId/export/csv, and /api/boards/:boardId/exportExcel handlers in models/export.js and models/exportExcel.js looked up a user from the attacker-controlled authToken query parameter and immediately called user._id.toString() without checking whether ReactiveCache.getUser() returned undefined. A request for a private board with an unknown token therefore threw a TypeError from an asynchronous route, producing an unhandled rejection that could terminate the Wekan process and deny service to all users. Version 10.38 adds a 401 guard after every export token lookup and wraps export handlers with safeRoute() so unexpected exceptions become controlled responses. This issue is fixed in version 10.38.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0053 45th percentileScored 2026-11-07
Fix Fixed wekan (wekan): 10.38

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
wekanwekanbefore 10.3810.38Patch availableCNA
  • wekan Vendorwekan Affected before 10.38 Fixed in 10.38 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:*——wekan
  • cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:* Versions — — ·wekan

Remediation

  • Fix · CNA wekan (wekan) Fixed in 10.38

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-68901

References

Other 3

  • TI-2026-40177 Improper authentication in wekan CVSS 3.1CRITICAL 9.8
  • TI-2026-37989 Wekan: OIDC Account Takeover via Unconditional Email-Based Account Merge in onCreateUser hook CVSS 4.0CRITICAL 9.2
  • TI-2026-48308 Improper privilege management in wekan CVSS 3.1HIGH 8.8
  • TI-2026-48305 Wekan: SSRF filter bypass via DNS-resolving hostname in outgoing webhooks (incomplete fix of CVE-2026-53446) CVSS 3.1HIGH 8.5
  • TI-2026-39911 Improper access control in wekan CVSS 3.1HIGH 8.5
  • TI-2026-01855 WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure CVSS 4.0MEDIUM 6.9
See all 59 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences