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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-8481

IBM Langflow OSS 1.0.0 through 1.10.0 contain a critical remote code execution vulnerability in the code validation API endpoint. The POST /api/v1/validate/code endpoint accepts user-supplied Python code and executes it directly using Python's built-in exec() function without sandboxing, input validation, or privilege restrictions, enabling any authenticated user to execute arbitrary system commands with the full privileges of the Langflow server process.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.004

EPSS Ranking 35.6%

CVSS Severity

CVSS v3 Score 9.9

References

https://www.ibm.com/support/pages/node/7278923

Products affected by CVE-2026-8481

Langflow » Langflow » Version: 1.0.0

cpe:2.3:a:langflow:langflow:1.0.0
Langflow » Langflow » Version: 1.0.1

cpe:2.3:a:langflow:langflow:1.0.1
Langflow » Langflow » Version: 1.0.10

cpe:2.3:a:langflow:langflow:1.0.10
Langflow » Langflow » Version: 1.0.11

cpe:2.3:a:langflow:langflow:1.0.11
Langflow » Langflow » Version: 1.0.12

cpe:2.3:a:langflow:langflow:1.0.12
Langflow » Langflow » Version: 1.0.13

cpe:2.3:a:langflow:langflow:1.0.13
Langflow » Langflow » Version: 1.0.14

cpe:2.3:a:langflow:langflow:1.0.14
Langflow » Langflow » Version: 1.0.15

cpe:2.3:a:langflow:langflow:1.0.15
Langflow » Langflow » Version: 1.0.16

cpe:2.3:a:langflow:langflow:1.0.16
Langflow » Langflow » Version: 1.0.17

cpe:2.3:a:langflow:langflow:1.0.17
Langflow » Langflow » Version: 1.0.18

cpe:2.3:a:langflow:langflow:1.0.18
Langflow » Langflow » Version: 1.0.19

cpe:2.3:a:langflow:langflow:1.0.19
Langflow » Langflow » Version: 1.0.2

cpe:2.3:a:langflow:langflow:1.0.2
Langflow » Langflow » Version: 1.0.3

cpe:2.3:a:langflow:langflow:1.0.3
Langflow » Langflow » Version: 1.0.4

cpe:2.3:a:langflow:langflow:1.0.4
Langflow » Langflow » Version: 1.0.5

cpe:2.3:a:langflow:langflow:1.0.5
Langflow » Langflow » Version: 1.0.6

cpe:2.3:a:langflow:langflow:1.0.6
Langflow » Langflow » Version: 1.0.7

cpe:2.3:a:langflow:langflow:1.0.7
Langflow » Langflow » Version: 1.0.8

cpe:2.3:a:langflow:langflow:1.0.8
Langflow » Langflow » Version: 1.0.9

cpe:2.3:a:langflow:langflow:1.0.9
Langflow » Langflow » Version: 1.1.0

cpe:2.3:a:langflow:langflow:1.1.0
Langflow » Langflow » Version: 1.1.1

cpe:2.3:a:langflow:langflow:1.1.1
Langflow » Langflow » Version: 1.1.2

cpe:2.3:a:langflow:langflow:1.1.2
Langflow » Langflow » Version: 1.1.3

cpe:2.3:a:langflow:langflow:1.1.3
Langflow » Langflow » Version: 1.1.4

cpe:2.3:a:langflow:langflow:1.1.4
Langflow » Langflow » Version: 1.10.0

cpe:2.3:a:langflow:langflow:1.10.0
Langflow » Langflow » Version: 1.2.0

cpe:2.3:a:langflow:langflow:1.2.0
Langflow » Langflow » Version: 1.3.0

cpe:2.3:a:langflow:langflow:1.3.0
Langflow » Langflow » Version: 1.3.1

cpe:2.3:a:langflow:langflow:1.3.1
Langflow » Langflow » Version: 1.3.2

cpe:2.3:a:langflow:langflow:1.3.2
Langflow » Langflow » Version: 1.3.3

cpe:2.3:a:langflow:langflow:1.3.3
Langflow » Langflow » Version: 1.3.4

cpe:2.3:a:langflow:langflow:1.3.4
Langflow » Langflow » Version: 1.4.0

cpe:2.3:a:langflow:langflow:1.4.0
Langflow » Langflow » Version: 1.4.1

cpe:2.3:a:langflow:langflow:1.4.1
Langflow » Langflow » Version: 1.4.2

cpe:2.3:a:langflow:langflow:1.4.2
Langflow » Langflow » Version: 1.4.3

cpe:2.3:a:langflow:langflow:1.4.3
Langflow » Langflow » Version: 1.5.0

cpe:2.3:a:langflow:langflow:1.5.0
Langflow » Langflow » Version: 1.5.1

cpe:2.3:a:langflow:langflow:1.5.1
Langflow » Langflow » Version: 1.6.0

cpe:2.3:a:langflow:langflow:1.6.0
Langflow » Langflow » Version: 1.6.1

cpe:2.3:a:langflow:langflow:1.6.1
Langflow » Langflow » Version: 1.6.10

cpe:2.3:a:langflow:langflow:1.6.10
Langflow » Langflow » Version: 1.6.2

cpe:2.3:a:langflow:langflow:1.6.2
Langflow » Langflow » Version: 1.6.3

cpe:2.3:a:langflow:langflow:1.6.3
Langflow » Langflow » Version: 1.6.4

cpe:2.3:a:langflow:langflow:1.6.4
Langflow » Langflow » Version: 1.6.5

cpe:2.3:a:langflow:langflow:1.6.5
Langflow » Langflow » Version: 1.6.6

cpe:2.3:a:langflow:langflow:1.6.6
Langflow » Langflow » Version: 1.6.7

cpe:2.3:a:langflow:langflow:1.6.7
Langflow » Langflow » Version: 1.6.8

cpe:2.3:a:langflow:langflow:1.6.8
Langflow » Langflow » Version: 1.6.9

cpe:2.3:a:langflow:langflow:1.6.9
Langflow » Langflow » Version: 1.7.0

cpe:2.3:a:langflow:langflow:1.7.0
Langflow » Langflow » Version: 1.7.1

cpe:2.3:a:langflow:langflow:1.7.1
Langflow » Langflow » Version: 1.7.2

cpe:2.3:a:langflow:langflow:1.7.2
Langflow » Langflow » Version: 1.7.3

cpe:2.3:a:langflow:langflow:1.7.3
Langflow » Langflow » Version: 1.8.0

cpe:2.3:a:langflow:langflow:1.8.0
Langflow » Langflow » Version: 1.8.1

cpe:2.3:a:langflow:langflow:1.8.1
Langflow » Langflow » Version: 1.8.2

cpe:2.3:a:langflow:langflow:1.8.2
Langflow » Langflow » Version: 1.8.3

cpe:2.3:a:langflow:langflow:1.8.3
Langflow » Langflow » Version: 1.8.4

cpe:2.3:a:langflow:langflow:1.8.4
Langflow » Langflow » Version: 1.9.0

cpe:2.3:a:langflow:langflow:1.9.0
Langflow » Langflow » Version: 1.9.1

cpe:2.3:a:langflow:langflow:1.9.1
Langflow » Langflow » Version: 1.9.2

cpe:2.3:a:langflow:langflow:1.9.2
Langflow » Langflow » Version: 1.9.3

cpe:2.3:a:langflow:langflow:1.9.3
Langflow » Langflow » Version: 1.9.4

cpe:2.3:a:langflow:langflow:1.9.4
Langflow » Langflow » Version: 1.9.6

cpe:2.3:a:langflow:langflow:1.9.6
Apple » Macos » Version: N/A

cpe:2.3:o:apple:macos:-
Linux » Linux Kernel » Version: N/A

cpe:2.3:o:linux:linux_kernel:-
Microsoft » Windows » Version: N/A

cpe:2.3:o:microsoft:windows:-

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Vulnerability Details CVE-2026-8481

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