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CVE-2026-43912

Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.35.5, Vaultwarden does not enforce that a groups_users.users_organizations_uuid entry belongs to the same organization as groups.groups_uuid, or a collections_groups.collections_uuid entry belongs to the same organization as collections_groups.groups_uuid. Multiple organization group-management endpoints accept arbitrary MembershipId and CollectionId values and persist them directly without verifying org consistency. This l
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:027b480ae04d3c68c4071eb7d439b80340cc99fefbfb3b6a70401160edde9bdc
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"vaultwarden","vendor":"dani-garcia","versions":[{"status":"affected","version":"< 1.35.5"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:3bfad6448d518e16960a2752332e1563ba6b35a1157f3bec83975d455cde1834 · sha256:42e9d87eaf93fcd2… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:3bfad6448d518e16960a2752332e1563ba6b35a1157f3bec83975d455cde1834 · sha256:42e9d87eaf93fcd2… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-285","description":"CWE-285: Improper Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:3bfad6448d518e16960a2752332e1563ba6b35a1157f3bec83975d455cde1834 · sha256:42e9d87eaf93fcd2… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"tags":["exploit"],"url":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-569v-845w-g82p"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bfad6448d518e16960a2752332e1563ba6b35a1157f3bec83975d455cde1834 · sha256:42e9d87eaf93fcd2… · /containers/adp/0/references/0
{"name":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-569v-845w-g82p","tags":["x_refsource_CONFIRM"],"url":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-569v-845w-g82p"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:3bfad6448d518e16960a2752332e1563ba6b35a1157f3bec83975d455cde1834 · sha256:42e9d87eaf93fcd2… · /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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