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CVE-2026-43911

MEDIUM · CVSS 6.8 EPSS 0.03% Public Exploit

Source: NVD + CISA KEV + EPSS · Published: 2026-05-11 · Last synced: 2026-06-09

CyberRota Analysis

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Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-43911
Severity
MEDIUM
CVSS
6.8
EPSS
0.03%

Original NVD Description

Vaultwarden is a Bitwarden-compatible server written in Rust. Prior to 1.35.5, refresh tokens are not invalidated when the user's security_stamp is rotated by some security-sensitive operations (password change, KDF change, key rotation, email change, org admin password reset, emergency access takeover). This allows an attacker holding a previously obtained refresh token to maintain session access even after the user has taken action to secure their account. This vulnerability is fixed in 1.35.5.