IBM Langflow OSS 1.0.0 through 1.12.3 could allow a remote attacker to execute arbitrary code due to improper
Source GCVE Database
Not known to be exploited · CVSS 9.8 Critical.
Data as of 29 Oct 2026, 20:00 UTC
Thin evidence
One scorer or none| CNA (ibm) | CVSS 3.1 | 9.8 |
|---|
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
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), 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– |
AI-suggested
Until a fix is available, restrict network access to the affected application and monitor for suspicious activity related to command injection attempts.
Description
IBM Langflow OSS versions 1.0.0 through 1.12.3 contain a critical vulnerability that allows remote attackers to execute arbitrary code. This is due to improper neutralization of special elements used in operating system commands, classified under CWE-94. The vulnerability has a high CVSS score of 9.8, indicating severe impact on confidentiality, integrity, and availability.