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TI-2026-01622 Aliases CVE-2026-1963GHSA-38wp-738r-69jh

WeKan Attachment Storage attachments.js MoveStorageBleed access control

Priority LOW 24CWE-266Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Privilege escalation, Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-266 and CWE-284.

Summary

A vulnerability was found in WeKan up to 8.20. This affects an unknown function of the file models/attachments.js of the component Attachment Storage. The manipulation results in improper access controls. The attack may be launched remotely. Upgrading to version 8.21 mitigates this issue. The patch is identified as c413a7e860bc4d93fe2adcf82516228570bf382d. Upgrading the affected component is advised.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00358 29th percentileScored 2026-11-07
Fix Fixed WeKan: 8.21

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
—WeKan8.0; 8.1; 8.2; 8.3; 8.4; 8.5; 8.6; 8.7; 8.8; 8.9; 8.10; 8.11; 8.12; 8.13; 8.14; 8.15; 8.16; 8.17; 8.18; 8.19; 8.208.21Patch availableCNA
  • WeKan Vendor— Affected 8.0; 8.1; 8.2; 8.3; 8.4; 8.5; 8.6; 8.7; 8.8; 8.9; 8.10; 8.11; 8.12; 8.13; 8.14; 8.15; 8.16; 8.17; 8.18; 8.19; 8.20 Fixed in 8.21 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:*before 8.21Vulnerablewekan
  • cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:* Versions before 8.21 Vulnerable ·wekan

Remediation

  • Fix · CNA WeKan Fixed in 8.21

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-1963
  2. 2026-10-03 Alias added: GHSA-38wp-738r-69jh

References

  • TI-2026-01855 WeKan Activity Publication activities.js LinkedBoardActivitiesBleed information disclosure CVSS 4.0MEDIUM 6.9
  • TI-2023-13025 A stored cross-site scripting (Stored XSS) vulnerability in file preview in WeKan before… CVSS 3.1MEDIUM 5.4
  • TI-2026-20667 WeKan < 8.19 LDAP Authentication Filter Injection CVSS 4.0HIGH 8.7
  • TI-2026-23675 Wekan Exposes All Global Webhook Integrations through globalwebhooks Publication CVSS 4.0HIGH 8.7
  • TI-2026-23673 Wekan Vulnerable to SSRF through Lack of Validation or Filtering in Attachment URL Loading CVSS 4.0CRITICAL 9.3
  • TI-2026-23672 Wekan has Cross-Board IDOR in Custom Fields Update Endpoints CVSS 4.0CRITICAL 9.3
See all 38 →

Sources