Vulnerability · Published Oct 29, 2026 · Assigned by ibm
CVE-2026-104324Langflow OSS is affected by multiple vulnerabilities
High 8.8
In plain English
A high-severity unsafe deserialization in Langflow OSS from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 52% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.7%top 48.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote authenticated attacker to execute arbitrary code due to deserialization of untrusted data.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| IBM | Langflow OSS | 1.0.0 – through 1.12.3 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://www.ibm.com/support/pages/node/7293015 vendor-advisory, patch