CVE-2026-6543 json
Authenticated Remote Code Execution Vulnerability in Langflow Code Validation Endpoint
published 6mo ago modified 16d ago also EUVD-2026-26448
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 41%
- public exploits
- 0
- none known
Summary
IBM Langflow Desktop 1.0.0 through 1.8.4 Langflow allows an attacker to execute arbitrary commands with the privileges of the process running Langflow. This allows reading sensitive environment variables (API keys, DB credentials), modifying files, or launching further attacks on the internal network.
Patch / fix
- ibm.com/support/pages/node/7271092 advisory
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Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 6mo ago
Exploit prediction
0.47% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- IBM Langflow Desktop
Classification
- Weakness
-
- CWE-94 Improper Control of Generation of Code
References
-
ibm.com
/support/pages/node/7271092
vendor-advisory, patch
Sources
- CVE List CVE-2026-6543
- NVD CVE-2026-6543
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