Wiz Agents & Workflows are here

CVE-2026-27898
Rust vulnerability analysis and mitigation

Vaultwarden is an unofficial Bitwarden compatible server written in Rust, formerly known as bitwarden_rs. Prior to version 1.35.4, an authenticated regular user can specify another user’s cipher_id and call "PUT /api/ciphers/{id}/partial" Even though the standard retrieval API correctly denies access to that cipher, the partial update endpoint returns 200 OK and exposes cipherDetails (including name, notes, data, secureNote, etc.). This issue has been patched in version 1.35.4.


SourceNVD

Related Rust vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

GHSA-fxc9-7j2w-vx54CRITICAL9.3
  • RustRust
  • mpp
NoYesMar 29, 2026
CVE-2026-34202CRITICAL9.2
  • RustRust
  • zebra-chain
NoYesMar 31, 2026
CVE-2026-34377HIGH8.4
  • RustRust
  • zebrad
NoYesMar 31, 2026
CVE-2026-34219HIGH8.2
  • RustRust
  • libp2p-gossipsub
NoYesMar 31, 2026
RUSTSEC-2026-0078N/AN/A
  • RustRust
  • intaglio
NoYesMar 30, 2026

Free Vulnerability Assessment

Benchmark your Cloud Security Posture

Evaluate your cloud security practices across 9 security domains to benchmark your risk level and identify gaps in your defenses.

Request assessment

Get a personalized demo

Ready to see Wiz in action?

"Best User Experience I have ever seen, provides full visibility to cloud workloads."
David EstlickCISO
"Wiz provides a single pane of glass to see what is going on in our cloud environments."
Adam FletcherChief Security Officer
"We know that if Wiz identifies something as critical, it actually is."
Greg PoniatowskiHead of Threat and Vulnerability Management