WeKan Meteor Publication cards.js CardPubSubBleed information disclosure

published 2026-02-08 9 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-5824

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 20%
public exploits: 0; none known

A vulnerability was identified in WeKan up to 8.20. This affects an unknown part of the file server/publications/cards.js of the component Meteor Publication Handler. Such manipulation leads to information disclosure. The attack may be performed from remote. Upgrading to version 8.21 is able to mitigate this issue. The name of the patch is 0f5a9c38778ca550cbab6c5093470e1e90cb837f. Upgrading the affected component is advised.

Patch / fix

fixed in 1 links 2

n/a WeKan 8.21

github.com/wekan/wekan@0f5a9c3 commit
github.com/wekan/wekan/releases/tag/v8.21 release

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 8 mo ago (2026-02-10)

Exploit prediction

0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
CNA	3.0	4.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:X/RL:O/RC:C
CNA	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N/E:ND/RL:OF/RC:C
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/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
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA	2.0	4.0	AV:N/AC:L/Au:S/C:P/I:N/A:N

Affected products

n/a WeKan

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
CWE-284 Improper Access Control

References

github.com /wekan/wekan/commit/0f5a9c38778ca550cbab6c5093470e1e90cb837f
patch
github.com /wekan/wekan/releases/tag/v8.21
patch, product, release-notes
vuldb.com /?id.344919
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.344919
signature, permissions-required, vdb-entry
vuldb.com /?submit.752161
third-party-advisory, vdb-entry
github.com /wekan/wekan/
product

Sources

CVE List CVE-2026-2205
NVD CVE-2026-2205

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary