Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Langflow - CVE-2026-7874

 

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Langflow - CVE-2026-7874

Published: June 30, 2026


Vulnerability identifier: #VU135920
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2026-7874
CWE-ID: CWE-338
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Langflow
Affected software:
Langflow

Detailed vulnerability description

The vulnerability allows a remote attacker to disclose of all stored credentials.

The vulnerability exists due to the use of a weak and reversible key derivation mechanism for encryption at rest. A remote attacker can disclose of all stored credentials.


How to mitigate CVE-2026-7874

Install updates from vendor's website.

Sources