CVE-2026-71959
medium
CVSS v3
5.8
CVSS v4 NEW
6.9
VIR risk
5.8
Description
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.
Predictions
Exploit likelihood
68%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://github.com/bitwarden/server/commit/2aa92a3c8675a28e305e8207ff16592227f96291
- https://github.com/bitwarden/server/pull/7934
- https://github.com/bitwarden/server/releases/tag/v2026.7.2
- https://sanjokkarki.com.np/blog/bitwarden-audit-log-forgery
- https://www.vulncheck.com/advisories/bitwarden-server-audit-log-injection-via-post-collect
CWEs
CWE-862
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.