# CVE-2026-71959: Bitwarden Server < 2026.7.2 Audit Log Injection via POST /collect

> CVE-2026-71959: Bitwarden Server < 2026.7.2 Audit Log Injection via POST /collect. CVSS 5.8 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-71959
Last updated: 2026-10-24T15:10:00Z

- Published: 2026-08-10 13:56 UTC · Updated: 2026-10-24 15:10 UTC · Assigner: VulnCheck
- CVSS: 5.8 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
- EPSS: 0.48%, 41th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-862

## 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.

## Affected vendors and products

- bitwarden: server

## Tracked companies

- [Bitwarden](https://rewindex.com/company/bitwarden.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-71959)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-71959)
- [https://github.com/bitwarden/server/commit/2aa92a3c8675a28e305e8207ff16592227f96291](https://github.com/bitwarden/server/commit/2aa92a3c8675a28e305e8207ff16592227f96291)
- [https://github.com/bitwarden/server/pull/7934](https://github.com/bitwarden/server/pull/7934)
- [https://github.com/bitwarden/server/releases/tag/v2026.7.2](https://github.com/bitwarden/server/releases/tag/v2026.7.2)
- [https://sanjokkarki.com.np/blog/bitwarden-audit-log-forgery](https://sanjokkarki.com.np/blog/bitwarden-audit-log-forgery)
- [https://www.vulncheck.com/advisories/bitwarden-server-audit-log-injection-via-post-collect](https://www.vulncheck.com/advisories/bitwarden-server-audit-log-injection-via-post-collect)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-71959 · Markdown: https://rewindex.com/cve/CVE-2026-71959.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-71959 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:13:21.631Z