Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
Bitwarden Server < 2026.7.2 Audit Log Injection via POST /collect
AV AC AT PR UI VC VI VA CVSS EPSS %ile KEV
N L N N N N N N 6.9 .0029 21.5 —
AFFECTED
Product Versions Fixed
server unspecified —
TIMELINE
Aug 8 Reserved by VulnCheck
Aug 9 EXPLOIT PUBLISHED — CVE-2026-71959 (bitwarden server). Public exploit reference added.
Aug 10 Published (CNA: VulnCheck)
Aug 13 EXPLOIT PUBLISHED — CVE-2026-71959 (bitwarden server). Public exploit reference added.
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.
Lifecycle
Complete event history — 4 events, chronological
| Date | Event | Detail |
|---|
| August 8, 2026 | Reserved | Reserved by VulnCheck |
| August 9, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-71959 (bitwarden server). Public exploit reference added. |
| August 10, 2026 | Published | Published (CNA: VulnCheck) |
| August 13, 2026 | EXPLOIT PUBLISHED | EXPLOIT PUBLISHED — CVE-2026-71959 (bitwarden server). Public exploit reference added. |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
|---|
| bitwarden | server | — | — | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-71959 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.