Bitwarden Server before 2026.7.2 does not verify that the caller is a member of the organization identified in a POST /collect request body, allowing any authenticated user to write forged, arbitrarily backdated entries into any organization's audit log.
{
"cna_assigner": "VulnCheck",
"cwe_ids": [
"CWE-862"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71959.json"
}{
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"fixed": "2026.7.2"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"original_tag": "v2026.7.2",
"range": [
{
"fixed": "ffc280d2891270f7248812263aa1140e49f9c776"
}
],
"source": "REFERENCES_TAG"
},
{
"range": [
{
"fixed": "2aa92a3c8675a28e305e8207ff16592227f96291"
}
],
"source": "REFERENCES_COMMIT"
}
]
}