Deserialization in IBM Langflow Oss
CVE-2026-93447
IBM Langflow OSS 1.0.0 through 1.12.2 could allow an attacker with access to the server secret and Redis write access to submit a malicious serialized cache value. When the value was retrieved, deserialization could have executed attacker-controlled code with the privileges of the service process.
Vulnerability class: Insecure Deserialization
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- www.ibm.com/support/pages/node/7290694 (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2026-93447?
- CVE-2026-93447 is a high-severity vulnerability in IBM Langflow Oss, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2026-10-07.
- How severe is CVE-2026-93447?
- High severity. CVSS v3 base score is 7.5 out of 10.