Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://abraxaslabs.tech/research/bitwarden-cipher-create-acl
- https://github.com/bitwarden/server
- https://github.com/bitwarden/server/blob/v2026.10.0/src/Api/Vault/Controllers/Ci
- https://github.com/bitwarden/server/blob/v2026.10.0/src/Infrastructure.EntityFra
- https://github.com/bitwarden/server/commit/9030c42bf7d8f9ac2ff9fee85c39588d5eb81
- https://github.com/bitwarden/server/pull/8482
- https://github.com/bitwarden/server/releases/tag/v2026.10.1
- https://www.vulncheck.com/advisories/bitwarden-server-before-2026.10.1-authoriza
FAQ
What is CVE-2026-119414?
CVE-2026-119414 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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...
How severe is CVE-2026-119414?
CVE-2026-119414 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-119414?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.