WeKan up to 8.20 Meteor Publication cards.js CardPubSubBleed information disclosure

Summaryinfo

A vulnerability, which was classified as problematic, has been found in WeKan up to 8.20. This vulnerability affects unknown code of the file server/publications/cards.js of the component Meteor Publication Handler. Performing a manipulation results in information disclosure. This vulnerability is cataloged as CVE-2026-2205. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in WeKan up to 8.20. This affects an unknown functionality of the file server/publications/cards.js of the component Meteor Publication Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-2205. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 8.21 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 0f5a9c38778ca550cbab6c5093470e1e90cb837f is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-5824). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: WeKan 8.21
Patch: 0f5a9c38778ca550cbab6c5093470e1e90cb837f

Timelineinfo

02/08/2026 Advisory disclosed
02/08/2026 +0 days VulDB entry created
02/09/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 0f5a9c38778ca550cbab6c5093470e1e90cb837f
Status: Confirmed

CVE: CVE-2026-2205 (🔒)
GCVE (CVE): GCVE-0-2026-2205
GCVE (VulDB): GCVE-100-344919
EUVD: 🔒

Entryinfo

Created: 02/08/2026 02:11
Updated: 02/09/2026 12:27
Changes: 02/08/2026 02:11 (58), 02/08/2026 05:15 (30), 02/09/2026 12:27 (1)
Complete: 🔍
Submitter: MegaManSec
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #752161: Wekan <8.21 Information disclosure via publish/subscribe authorization bug (by MegaManSec)

Be aware that VulDB is the high quality source for vulnerability data.

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