GHSA-pr8g-2g62-66gfMediumCVSS 4.3
Bitwarden Server before 2026.10.1 on Entity Framework backends contains an authorization bypass...
🔗 CVE IDs covered (1)
📋 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.
🔗 References (10)
- https://nvd.nist.gov/vuln/detail/CVE-2026-119414
- https://github.com/bitwarden/server/pull/8482
- https://github.com/bitwarden/server/commit/9030c42bf7d8f9ac2ff9fee85c39588d5eb81499
- 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/CiphersController.cs#L355
- https://github.com/bitwarden/server/blob/v2026.10.0/src/Infrastructure.EntityFramework/Vault/Repositories/CipherRepository.cs#L112
- https://github.com/bitwarden/server/releases/tag/v2026.10.1
- https://www.vulncheck.com/advisories/bitwarden-server-before-2026.10.1-authorization-bypass-via-post-api-ciphers-create
- https://github.com/advisories/GHSA-pr8g-2g62-66gf