CVE-2026-1963
WeKan Attachment Storage attachments.js MoveStorageBleed access control
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.
INFO
Published Date :
Feb. 5, 2026, 9:15 p.m.
Last Modified :
March 6, 2026, 9:50 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | CRITICAL | [email protected] | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Upgrade WeKan to version 8.21.
- Apply the patch c413a7e860bc4d93fe2adcf82516228570bf382d.
- Ensure Attachment Storage component is updated.
Public PoC/Exploit Available at Github
CVE-2026-1963 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-1963.
| URL | Resource |
|---|---|
| https://github.com/wekan/wekan/ | Product |
| https://github.com/wekan/wekan/commit/c413a7e860bc4d93fe2adcf82516228570bf382d | Patch |
| https://github.com/wekan/wekan/releases/tag/v8.21 | ProductRelease Notes |
| https://vuldb.com/?ctiid.344485 | Permissions RequiredVDB Entry |
| https://vuldb.com/?id.344485 | Third Party AdvisoryVDB Entry |
| https://vuldb.com/?submit.742678 | Third Party AdvisoryVDB Entry |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-1963 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-1963
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Community reconstruction of the legacy JSON NVD Data Feeds. This project uses and redistributes data from the NVD API but is neither endorsed nor certified by the NVD.
Shell
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-1963 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-1963 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Mar. 06, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Added CPE Configuration OR *cpe:2.3:a:wekan_project:wekan:*:*:*:*:*:*:*:* versions up to (excluding) 8.21 Added Reference Type VulDB: https://github.com/wekan/wekan/ Types: Product Added Reference Type VulDB: https://github.com/wekan/wekan/commit/c413a7e860bc4d93fe2adcf82516228570bf382d Types: Patch Added Reference Type VulDB: https://github.com/wekan/wekan/releases/tag/v8.21 Types: Product, Release Notes Added Reference Type VulDB: https://vuldb.com/?ctiid.344485 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.344485 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.742678 Types: Third Party Advisory, VDB Entry -
New CVE Received by [email protected]
Feb. 05, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L Added CVSS V2 (AV:N/AC:L/Au:S/C:P/I:P/A:P) Added CWE CWE-284 Added CWE CWE-266 Added Reference https://github.com/wekan/wekan/ Added Reference https://github.com/wekan/wekan/commit/c413a7e860bc4d93fe2adcf82516228570bf382d Added Reference https://github.com/wekan/wekan/releases/tag/v8.21 Added Reference https://vuldb.com/?ctiid.344485 Added Reference https://vuldb.com/?id.344485 Added Reference https://vuldb.com/?submit.742678