CVE-2026-1964: WeKan · Improper Access Controls
Affects WeKanSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium · fixed in 8.21 : update WeKan when convenient.
Data as of 26 Oct 2026, 09:08 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 16% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 8.21
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:XExploitation evidence
Disclosed: evidence found.
CVE published 5 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| WeKan | Affected
| Fixed in– |
GitHubwekan/wekanpkg:github/wekan/wekanOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
1. Upgrade WeKan installations to version 8.21 or later immediately to apply the official patch that corrects the improper access control checks. 2. Review and restrict network access to WeKan instances, limiting exposure to trusted internal networks or VPNs to reduce remote attack surface. 3. Implement strict role-based access controls (RBAC) within WeKan to minimize privileges granted to users, ensuring least privilege principles are enforced. 4. Monitor access logs and audit trails for unusual or unauthorized access attempts to board resources. 5. If upgrading immediately is not feasible, consider deploying web application firewalls (WAFs) with custom rules to detect and block suspicious REST API requests targeting board endpoints. 6. Educate administrators and users about the importance of timely patching and secure configuration of collaboration tools. 7. Regularly review and update security policies governing third-party and open-source software usage to ensure rapid response to disclosed vulnerabilities.
Description
A vulnerability was determined in WeKan up to 8.20. This impacts an unknown function of the file models/boards.js of the component REST Endpoint. This manipulation causes improper access controls. Remote exploitation of the attack is possible. Upgrading to version 8.21 will fix this issue. Patch name: 545566f5663545d16174e0f2399f231aa693ab6e. It is advisable to upgrade the affected component.