SB2026040909 - Multiple vulnerabilities in Flowise

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Main Vulnerability Database SB2026040909

SB2026040909 - Multiple vulnerabilities in Flowise

Published: April 9, 2026

Security Bulletin ID SB2026040909
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Insufficient Session Expiration (CVE-ID: N/A)

CWE-ID: CWE-613 - Insufficient Session Expiration

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to retain unauthorized access to the application after a password change.

The vulnerability exists due to insufficient session expiration in session management when processing password changes. A remote user can continue using an existing active session token to retain unauthorized access to the application after a password change.

The issue affects other active sessions or session tokens that were established before the password change.


2) Unverified Password Change (CVE-ID: N/A)

CWE-ID: CWE-620 - Unverified Password Change

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to take over accounts.

The vulnerability exists due to unverified credential change in the account profile email change functionality when updating the account email address. A remote user can change the email address associated with an account without confirming the current password to take over accounts.

The changed email address can be used as a login identifier or password recovery channel.


3) Unverified Password Change (CVE-ID: N/A)

CWE-ID: CWE-620 - Unverified Password Change

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to gain control of the account.

The vulnerability exists due to unverified password change in the account security settings when changing an account password. A remote user can change the password without supplying the current password to gain control of the account.

The issue affects password changes performed without current-password verification or additional verification.


Remediation

Install update from vendor's website.

References