CVE-2026-107328 — Langflow Oss
CRITICALCVE-2026-107328 is a critical-severity (CVSS 9.9) Code Injection vulnerability in ibm langflow oss. No vendor fix is recorded yet; mitigation options are listed below.
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.
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.
Affected Products
langflow ossibmDetection & mitigation playbook
Vendor / applianceDetect
Inventory every ibm langflow oss deployment and check each version against the affected-products list above.
Remediation status
No patch has shipped for CVE-2026-107328 yet — track the ibm langflow oss advisory for a fixed release and apply the workarounds below in the meantime.
Mitigate without a patch
Stop passing untrusted input into the interpreter or shell: call the affected binary with an argument array rather than a composed command string, reject anything outside a strict allowlist of expected values, and run the component under an account that cannot reach beyond the work it legitimately does. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.
Frequently Asked Questions
Is CVE-2026-107328 being exploited in your environment?
Detect and block the exploit chain at execution, on systems you cannot patch yet.