CVE-2026-107328: IBM Langflow OSS · Code Injection
Affects IBM Langflow OSSSource CVE Database V5
Not known to be exploited · CVSS 9.9 Critical.
Data as of 29 Oct 2026, 19:15 UTC
Thin evidence
One scorer or none| CNA (ibm) | CVSS 3.1 | 9.9 |
|---|
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 29 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
Public exploit code: GitHub proofs of concept
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), GitHub proofs of concept, the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMLangflow OSS | Affected
| Fixed in– |
CPE configurations (2)
cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:langflow_oss:1.12.4:*:*:*:*:*:*:*
AI-suggested
Users should monitor IBM advisories for updates and consider restricting access to authenticated interfaces of Langflow OSS until a fix is released. Applying principle of least privilege for authenticated users may reduce risk.
Description
IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote authenticated attacker to execute arbitrary code due to improper neutralization of code in eval/exec.