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CVE-2026-52890

Wekan is open source kanban built with Meteor. Prior to 9.31, Wekan allows a logged-in board member to insert an attachment document through the /attachments/insert DDP method with attacker-controlled versions.original.path and versions.original.storage fields. The server/permissions/attachments.js insert rule checks only board write access, and FileStoreStrategyFilesystem.getReadStream() in models/lib/fileStoreStrategy.js streams the stored path without a storage-root containment check, allowin
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a45afe12e9d153e5f5e91b232690f42501fa018c50af5a7f7d2a7129932d5969
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-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:83c7060bec8e2f3cdfee0497e87debbe9b19a39edde84c1481f7975e3673c2fb · sha256:80f2e73ab33589e4… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:83c7060bec8e2f3cdfee0497e87debbe9b19a39edde84c1481f7975e3673c2fb · sha256:80f2e73ab33589e4… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"wekan","vendor":"wekan","versions":[{"status":"affected","version":"< 9.31"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:83c7060bec8e2f3cdfee0497e87debbe9b19a39edde84c1481f7975e3673c2fb · sha256:80f2e73ab33589e4… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:83c7060bec8e2f3cdfee0497e87debbe9b19a39edde84c1481f7975e3673c2fb · sha256:80f2e73ab33589e4… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-22","description":"CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:83c7060bec8e2f3cdfee0497e87debbe9b19a39edde84c1481f7975e3673c2fb · sha256:80f2e73ab33589e4… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-400","description":"CWE-400: Uncontrolled Resource Consumption","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:83c7060bec8e2f3cdfee0497e87debbe9b19a39edde84c1481f7975e3673c2fb · sha256:80f2e73ab33589e4… · /containers/cna/problemTypes/1/descriptions/0

Source references

4 source assertions
{"name":"https://github.com/wekan/wekan/commit/fc92b342ceedcf38dbd614a0f7b50d6dc2b22eb8","tags":["x_refsource_MISC"],"url":"https://github.com/wekan/wekan/commit/fc92b342ceedcf38dbd614a0f7b50d6dc2b22eb8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:83c7060bec8e2f3cdfee0497e87debbe9b19a39edde84c1481f7975e3673c2fb · sha256:80f2e73ab33589e4… · /containers/cna/references/1
{"name":"https://github.com/wekan/wekan/releases/tag/v9.31","tags":["x_refsource_MISC"],"url":"https://github.com/wekan/wekan/releases/tag/v9.31"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:83c7060bec8e2f3cdfee0497e87debbe9b19a39edde84c1481f7975e3673c2fb · sha256:80f2e73ab33589e4… · /containers/cna/references/2
{"tags":["exploit"],"url":"https://github.com/wekan/wekan/security/advisories/GHSA-g6vm-7757-pr88"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:83c7060bec8e2f3cdfee0497e87debbe9b19a39edde84c1481f7975e3673c2fb · sha256:80f2e73ab33589e4… · /containers/adp/0/references/0
{"name":"https://github.com/wekan/wekan/security/advisories/GHSA-g6vm-7757-pr88","tags":["x_refsource_CONFIRM"],"url":"https://github.com/wekan/wekan/security/advisories/GHSA-g6vm-7757-pr88"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:83c7060bec8e2f3cdfee0497e87debbe9b19a39edde84c1481f7975e3673c2fb · sha256:80f2e73ab33589e4… · /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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