WeKan Attachment Storage attachments.js MoveStorageBleed access control
Published Feb 5, 2026
5.3
MEDIUMCVSS 4.0
EPSS 0.34%
Description
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.
Affected products
- Vendor n/a Product WeKan Defaultn/a
- Version 8.0StatusaffectedConstraints-
- Version 8.1StatusaffectedConstraints-
- Version 8.10StatusaffectedConstraints-
- Version 8.11StatusaffectedConstraints-
- Version 8.12StatusaffectedConstraints-
- Version 8.13StatusaffectedConstraints-
- Version 8.14StatusaffectedConstraints-
- Version 8.15StatusaffectedConstraints-
- Version 8.16StatusaffectedConstraints-
- Version 8.17StatusaffectedConstraints-
- Version 8.18StatusaffectedConstraints-
- Version 8.19StatusaffectedConstraints-
- Version 8.2StatusaffectedConstraints-
- Version 8.20StatusaffectedConstraints-
- Version 8.3StatusaffectedConstraints-
- Version 8.4StatusaffectedConstraints-
- Version 8.5StatusaffectedConstraints-
- Version 8.6StatusaffectedConstraints-
- Version 8.7StatusaffectedConstraints-
- Version 8.8StatusaffectedConstraints-
- Version 8.9StatusaffectedConstraints-
- Version 8.21StatusunaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n/a | WeKan | n/a |
|
- < 8.21
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
1 other source (NVD) ▾
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
1 other source (CVE.org) ▾
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
AV:N/AC:L/Au:S/C:P/I:P/A:P/E:ND/RL:OF/RC:C
1 other source (NVD) ▾
AV:N/AC:L/Au:S/C:P/I:P/A:P
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Feb 12, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
Feb–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.34% (0.00343) | 25.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.32% (0.00323) | 23.81th | v5 (v2026.06.15) |
| Feb 6, 2026 | 0.01% (0.00014) | 2.16th | v4 (v2025.03.14) |
References (6)
- https://github.com/wekan/wekan/ product
- https://github.com/wekan/wekan/commit/c413a7e860bc4d93fe2adcf82516228570bf382d patch
- https://github.com/wekan/wekan/releases/tag/v8.21 patchProductRelease Notes
- https://vuldb.com/?ctiid.344485 signaturepermissions-requiredPermissions RequiredVDB Entry
- https://vuldb.com/?id.344485 vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry
- https://vuldb.com/?submit.742678 third-party-advisoryThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| https://github.com/wekan/wekan/ | product | |
| https://github.com/wekan/wekan/commit/c413a7e860bc4d93fe2adcf82516228570bf382d | patch | |
| https://github.com/wekan/wekan/releases/tag/v8.21 | patchProductRelease Notes | |
| https://vuldb.com/?ctiid.344485 | signaturepermissions-requiredPermissions RequiredVDB Entry | |
| https://vuldb.com/?id.344485 | vdb-entrytechnical-descriptionThird Party AdvisoryVDB Entry | |
| https://vuldb.com/?submit.742678 | third-party-advisoryThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.