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Vulnerability record · public intelligence
CVE-2026-1962
MEDIUM

WeKan Attachment Migration attachmentMigration.js AttachmentMigrationBleed access control

Published Feb 5, 2026 · Updated Nov 3, 2026

Severity · CVSSMEDIUM · Not scored
Known exploitationNot listed
EPSS / likelihood0.36%
QFinch risk scoreNot available

Original summary

Normalized public record · Updated Nov 3, 2026

WeKan Attachment Migration attachmentMigration.js AttachmentMigrationBleed access control

Publisher and source text is retained separately from QFinch interpretation.

QFinch assessment

A vulnerability has been found in WeKan up to 8.20. The impacted element is an unknown function of the file server/attachmentMigration.js of the component Attachment Migration. The manipulation leads to improper access controls. The attack may be initiated remotely. Upgrading to version 8.21 is sufficient to resolve this issue. The identifier of the patch is 053bf1dfb76ef230db162c64a6ed50ebedf67eee. It is recommended to upgrade the affected component.

Evidence: public source records

Affected products

Affected scope reported by the available public evidence
Affected package, product or rangeFix status
Consult the referenced vendor advisory for affected versions.Consult source advisory

Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.

Remediation

Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.

  1. Confirm the affected product and reachable code path exist in your environment.
  2. Apply the vendor-supported patch or mitigation from the primary advisory.
  3. Rescan the exact deployed revision and retain verification evidence.
Review primary references

Evidence coverage

FIRST-EPSSCVE-LIST-V5
SSVC priority
LOW
Confidence
Not available
Aliases
None reported

Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.

Sources and record history

  1. VDB-344484 | WeKan Attachment Migration attachmentMigration.js AttachmentMigrationBleed access control ↗
  2. VDB-344484 | CTI Indicators (IOB, IOC, TTP, IOA) ↗
  3. Submit #742677 | Wekan <8.21 Improper access control on migration endpoints (CWE-284) ↗
  4. Patch commit ↗
  5. Source repository ↗
  6. Source repository ↗

Record history

Published Feb 5, 2026 · Last refreshed Nov 3, 2026

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