What is CVE-2026-7874?

CVE-2026-7874 is a critical-severity vulnerability in Ibm Langflow Oss, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.1/10. Published 2026-06-30.

How severe is CVE-2026-7874?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Ibm Langflow Oss

CVE-2026-7874

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow disclosure of all stored credentials due to the use of a weak and reversible key derivation mechanism for encryption at rest.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Ibm Langflow Oss — versions 1.0.0

Weakness classification (CWE)

CWE-338 — Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-7874?: CVE-2026-7874 is a critical-severity vulnerability in Ibm Langflow Oss, classified under Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG). CVSS score: 9.1/10. Published 2026-06-30.
How severe is CVE-2026-7874?: Critical severity. CVSS v3 base score is 9.1 out of 10.