Bitwarden Server before 2026.10.1 Authorization Bypass via POST /api/ciphers/create
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| bitwarden | server | unaffected |
|
No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Bitwarden | Server |
|
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.361% probability within 30 days)
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Bitwarden Server before 2026.10.1 on Entity Framework backends contains an authorization bypass vulnerability that allows organization members to add ciphers to collections they cannot edit. Attackers can call POST /api/ciphers/create, where a nulled UserId is treated as administrative, to inject vault items synced to read-only or inaccessible collections' members. | |
| Title | Bitwarden Server before 2026.10.1 Authorization Bypass via POST /api/ciphers/create | |
| First Time appeared |
Bitwarden
Bitwarden server |
|
| Weaknesses | CWE-863 | |
| CPEs | cpe:2.3:a:bitwarden:server:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Bitwarden
Bitwarden server |
|
| References |
|
|
| Metrics |
cvssV3_1
|