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CVE-2026-27801

Vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs. Vaultwarden versions 1.34.3 and prior are susceptible to a 2FA bypass when performing protected actions. An attacker who gains authenticated access to a user’s account can exploit this bypass to perform protected actions such as accessing the user’s API key or deleting the user’s vault and organisations the user is an admin/owner of . This issue has been patched in version 1.35.0.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:5886834fbb42b137e180f6771c2d11bfdbbb35a3efc9944df6ed2ee8164f95ec
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":"< 1.35.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a3fd4c265b57a995359e98584e5c996a00c297f34b0e772724f686bb820f149d · sha256:dab6f8c18dfd6eed… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a3fd4c265b57a995359e98584e5c996a00c297f34b0e772724f686bb820f149d · sha256:dab6f8c18dfd6eed… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-307","description":"CWE-307: Improper Restriction of Excessive Authentication Attempts","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a3fd4c265b57a995359e98584e5c996a00c297f34b0e772724f686bb820f149d · sha256:dab6f8c18dfd6eed… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-v6pg-v89r-w8wr","tags":["x_refsource_CONFIRM"],"url":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-v6pg-v89r-w8wr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a3fd4c265b57a995359e98584e5c996a00c297f34b0e772724f686bb820f149d · sha256:dab6f8c18dfd6eed… · /containers/cna/references/0
{"tags":["exploit"],"url":"https://github.com/dani-garcia/vaultwarden/security/advisories/GHSA-v6pg-v89r-w8wr"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a3fd4c265b57a995359e98584e5c996a00c297f34b0e772724f686bb820f149d · sha256:dab6f8c18dfd6eed… · /containers/adp/0/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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