WeKan up to 8.20 Position-History Tracking positionHistory.js PositionHistoryBleed authorization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.2$0-$5k1.22

Summaryinfo

A vulnerability identified as problematic has been detected in WeKan up to 8.20. This affects an unknown part of the file server/methods/positionHistory.js of the component Position-History Tracking. This manipulation causes authorization. The identification of this vulnerability is CVE-2026-1897. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability classified as problematic was found in WeKan up to 8.20. Affected by this vulnerability is some unknown functionality of the file server/methods/positionHistory.js of the component Position-History Tracking. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality.

The advisory is shared at github.com. This vulnerability is known as CVE-2026-1897. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available.

Upgrading to version 8.21 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 55576ec17722db094835470b386162c9a662fb60 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.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

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: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
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: 55576ec17722db094835470b386162c9a662fb60

Timelineinfo

02/04/2026 Advisory disclosed
02/04/2026 +0 days VulDB entry created
02/05/2026 +1 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 55576ec17722db094835470b386162c9a662fb60
Status: Confirmed

CVE: CVE-2026-1897 (🔒)
GCVE (CVE): GCVE-0-2026-1897
GCVE (VulDB): GCVE-100-344269

Entryinfo

Created: 02/04/2026 03:51 PM
Updated: 02/05/2026 03:05 PM
Changes: 02/04/2026 03:51 PM (58), 02/05/2026 03:05 PM (30)
Complete: 🔍
Submitter: MegaManSec
Cache ID: 18:A16:40

Submitinfo

Accepted

  • Submit #742671: Wekan <8.21 Missing authorization checks leading to information disclosure a (by MegaManSec)

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