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CVE-2026-30847

Wekan is an open source kanban tool built with Meteor. In versions 8.31.0 through 8.33, the notificationUsers publication in Wekan publishes user documents with no field filtering, causing the ReactiveCache.getUsers() call to return all fields including highly sensitive data such as bcrypt password hashes, active session login tokens, email verification tokens, full email addresses, and any stored OAuth tokens. Unlike Meteor's default auto-publication which strips the services field for security
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ce1eafba375946216ab1b330c28e81870d52fbdf196cc06216f40bbecb8d4503
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:854e45dc90370446ba0593c209ace79c5af980cf1cef5d996274ff569ca75d35 · sha256:907b19155fe0e496… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:854e45dc90370446ba0593c209ace79c5af980cf1cef5d996274ff569ca75d35 · sha256:907b19155fe0e496… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"Wekan","vendor":"Wekan","versions":[{"status":"affected","version":">= 8.31.0, < 8.34"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:854e45dc90370446ba0593c209ace79c5af980cf1cef5d996274ff569ca75d35 · sha256:907b19155fe0e496… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.3,"baseSeverity":"CRITICAL","privilegesRequired":"LOW","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"HIGH","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:854e45dc90370446ba0593c209ace79c5af980cf1cef5d996274ff569ca75d35 · sha256:907b19155fe0e496… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-200","description":"CWE-200: Exposure of Sensitive Information to an Unauthorized Actor","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:854e45dc90370446ba0593c209ace79c5af980cf1cef5d996274ff569ca75d35 · sha256:907b19155fe0e496… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:854e45dc90370446ba0593c209ace79c5af980cf1cef5d996274ff569ca75d35 · sha256:907b19155fe0e496… · /containers/cna/problemTypes/1/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/wekan/wekan/commit/1c8667eae8b28739e43569b612ffdb2693c6b1ce","tags":["x_refsource_MISC"],"url":"https://github.com/wekan/wekan/commit/1c8667eae8b28739e43569b612ffdb2693c6b1ce"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:854e45dc90370446ba0593c209ace79c5af980cf1cef5d996274ff569ca75d35 · sha256:907b19155fe0e496… · /containers/cna/references/1
{"name":"https://github.com/wekan/wekan/releases/tag/v8.34","tags":["x_refsource_MISC"],"url":"https://github.com/wekan/wekan/releases/tag/v8.34"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:854e45dc90370446ba0593c209ace79c5af980cf1cef5d996274ff569ca75d35 · sha256:907b19155fe0e496… · /containers/cna/references/2
{"name":"https://securitylab.github.com/advisories/GHSL-2026-035_Wekan/","tags":["x_refsource_CONFIRM"],"url":"https://securitylab.github.com/advisories/GHSL-2026-035_Wekan/"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:854e45dc90370446ba0593c209ace79c5af980cf1cef5d996274ff569ca75d35 · sha256:907b19155fe0e496… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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