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Vulnerable Software

Vulnerability Details CVE-2026-8470

IBM Langflow OSS 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, 1.0.0 through 1.10.3, and 1.0.0 through 1.10.3 use Python's non-cryptographic random module for generating Fernet encryption keys from user secrets under 32 characters. The deterministic Mersenne Twister PRNG produces identical keys for identical seeds, allowing attackers to reproduce encryption keys and decrypt stored API keys and authentication tokens.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.001

EPSS Ranking 1.3%

CVSS Severity

CVSS v3 Score 7.4

References

https://www.ibm.com/support/pages/node/7282648

Products affected by CVE-2026-8470

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: 1.10.1

cpe:2.3:a:langflow:langflow:1.10.1
Langflow » Langflow » Version: 1.10.2

cpe:2.3:a:langflow:langflow:1.10.2
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

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Vulnerable Software

Vulnerability Details CVE-2026-8470

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