What is CVE-2026-7871?

CVE-2026-7871 is a critical-severity vulnerability in Ibm Langflow Oss, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-06-30.

How severe is CVE-2026-7871?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Deserialization in Ibm Langflow Oss

CVE-2026-7871

IBM Langflow OSS 1.0.0 through 1.10.0 allows users with Redis access to execute arbitrary code with full application privileges, compromising all secrets, data, and system integrity.

Vulnerability class: Insecure Deserialization

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ibm Langflow Oss — versions 1.0.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

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

Frequently asked questions

What is CVE-2026-7871?: CVE-2026-7871 is a critical-severity vulnerability in Ibm Langflow Oss, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2026-06-30.
How severe is CVE-2026-7871?: Critical severity. CVSS v3 base score is 9.8 out of 10.