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CVE-2026-27803

Vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs. Prior to version 1.35.4, when a Manager has manage=false for a given collection, they can still perform several management operations as long as they have access to the collection. This issue has been patched in version 1.35.4.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:cff335f584cebdd47359ec6ed8b1569b9513989a55d16887748d6eda1b23344d
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 3 assertions

{"cweId":"CWE-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5652c84924313add2b00527a3d71c65f23e60eac457abae382509e9a82bc56fc · sha256:d812b4666d1bac3a… · /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:v2:5652c84924313add2b00527a3d71c65f23e60eac457abae382509e9a82bc56fc · sha256:d812b4666d1bac3a… · /containers/cna/problemTypes/2/descriptions/0

{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5652c84924313add2b00527a3d71c65f23e60eac457abae382509e9a82bc56fc · sha256:d812b4666d1bac3a… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"vaultwarden","vendor":"dani-garcia","versions":[{"status":"affected","version":"< 1.35.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:5652c84924313add2b00527a3d71c65f23e60eac457abae382509e9a82bc56fc · sha256:d812b4666d1bac3a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":8.3,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:5652c84924313add2b00527a3d71c65f23e60eac457abae382509e9a82bc56fc · sha256:d812b4666d1bac3a… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

3 source assertions
{"cweId":"CWE-269","description":"CWE-269: Improper Privilege Management","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5652c84924313add2b00527a3d71c65f23e60eac457abae382509e9a82bc56fc · sha256:d812b4666d1bac3a… · /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:v2:5652c84924313add2b00527a3d71c65f23e60eac457abae382509e9a82bc56fc · sha256:d812b4666d1bac3a… · /containers/cna/problemTypes/2/descriptions/0
{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:5652c84924313add2b00527a3d71c65f23e60eac457abae382509e9a82bc56fc · sha256:d812b4666d1bac3a… · /containers/cna/problemTypes/1/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-h4hq-rgvh-wh27","tags":["x_refsource_CONFIRM"],"url":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-h4hq-rgvh-wh27"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:5652c84924313add2b00527a3d71c65f23e60eac457abae382509e9a82bc56fc · sha256:d812b4666d1bac3a… · /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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