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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-56271

Flowise before 3.1.0 (affected versions 3.0.13 and earlier) uses weak hardcoded default JWT secrets ('auth_token', 'refresh_token') and default audience and issuer values ('AUDIENCE', 'ISSUER') in the enterprise passport authentication middleware (packages/server/src/enterprise/middleware/passport/index.ts). When the corresponding environment variables (JWT_AUTH_TOKEN_SECRET, JWT_REFRESH_TOKEN_SECRET, JWT_AUDIENCE, JWT_ISSUER) are not set, the application silently falls back to these publicly known defaults, allowing an attacker to forge valid JWTs and impersonate any user, including administrators, resulting in authentication bypass.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.004

EPSS Ranking 31.8%

CVSS Severity

CVSS v3 Score 9.8

References

Products affected by CVE-2026-56271

Flowiseai » Flowise » Version: N/A

cpe:2.3:a:flowiseai:flowise:-
Flowiseai » Flowise » Version: 1.0.0

cpe:2.3:a:flowiseai:flowise:1.0.0
Flowiseai » Flowise » Version: 1.0.1

cpe:2.3:a:flowiseai:flowise:1.0.1
Flowiseai » Flowise » Version: 1.1.0

cpe:2.3:a:flowiseai:flowise:1.1.0
Flowiseai » Flowise » Version: 1.1.1

cpe:2.3:a:flowiseai:flowise:1.1.1
Flowiseai » Flowise » Version: 1.2.1

cpe:2.3:a:flowiseai:flowise:1.2.1
Flowiseai » Flowise » Version: 1.2.10

cpe:2.3:a:flowiseai:flowise:1.2.10
Flowiseai » Flowise » Version: 1.2.11

cpe:2.3:a:flowiseai:flowise:1.2.11
Flowiseai » Flowise » Version: 1.2.12

cpe:2.3:a:flowiseai:flowise:1.2.12
Flowiseai » Flowise » Version: 1.2.13

cpe:2.3:a:flowiseai:flowise:1.2.13
Flowiseai » Flowise » Version: 1.2.14

cpe:2.3:a:flowiseai:flowise:1.2.14
Flowiseai » Flowise » Version: 1.2.15

cpe:2.3:a:flowiseai:flowise:1.2.15
Flowiseai » Flowise » Version: 1.2.16

cpe:2.3:a:flowiseai:flowise:1.2.16
Flowiseai » Flowise » Version: 1.2.2

cpe:2.3:a:flowiseai:flowise:1.2.2
Flowiseai » Flowise » Version: 1.2.3

cpe:2.3:a:flowiseai:flowise:1.2.3
Flowiseai » Flowise » Version: 1.2.4

cpe:2.3:a:flowiseai:flowise:1.2.4
Flowiseai » Flowise » Version: 1.2.5

cpe:2.3:a:flowiseai:flowise:1.2.5
Flowiseai » Flowise » Version: 1.2.6

cpe:2.3:a:flowiseai:flowise:1.2.6
Flowiseai » Flowise » Version: 1.2.7

cpe:2.3:a:flowiseai:flowise:1.2.7
Flowiseai » Flowise » Version: 1.2.8

cpe:2.3:a:flowiseai:flowise:1.2.8
Flowiseai » Flowise » Version: 1.2.9

cpe:2.3:a:flowiseai:flowise:1.2.9
Flowiseai » Flowise » Version: 1.3.0

cpe:2.3:a:flowiseai:flowise:1.3.0
Flowiseai » Flowise » Version: 1.3.1

cpe:2.3:a:flowiseai:flowise:1.3.1
Flowiseai » Flowise » Version: 1.3.2

cpe:2.3:a:flowiseai:flowise:1.3.2
Flowiseai » Flowise » Version: 1.3.3

cpe:2.3:a:flowiseai:flowise:1.3.3
Flowiseai » Flowise » Version: 1.3.4

cpe:2.3:a:flowiseai:flowise:1.3.4
Flowiseai » Flowise » Version: 1.3.5

cpe:2.3:a:flowiseai:flowise:1.3.5
Flowiseai » Flowise » Version: 1.3.6

cpe:2.3:a:flowiseai:flowise:1.3.6
Flowiseai » Flowise » Version: 1.3.7

cpe:2.3:a:flowiseai:flowise:1.3.7
Flowiseai » Flowise » Version: 1.3.8

cpe:2.3:a:flowiseai:flowise:1.3.8
Flowiseai » Flowise » Version: 1.3.9

cpe:2.3:a:flowiseai:flowise:1.3.9
Flowiseai » Flowise » Version: 1.4.0

cpe:2.3:a:flowiseai:flowise:1.4.0
Flowiseai » Flowise » Version: 1.4.1

cpe:2.3:a:flowiseai:flowise:1.4.1
Flowiseai » Flowise » Version: 1.4.10

cpe:2.3:a:flowiseai:flowise:1.4.10
Flowiseai » Flowise » Version: 1.4.11

cpe:2.3:a:flowiseai:flowise:1.4.11
Flowiseai » Flowise » Version: 1.4.12

cpe:2.3:a:flowiseai:flowise:1.4.12
Flowiseai » Flowise » Version: 1.4.2

cpe:2.3:a:flowiseai:flowise:1.4.2
Flowiseai » Flowise » Version: 1.4.3

cpe:2.3:a:flowiseai:flowise:1.4.3
Flowiseai » Flowise » Version: 1.4.4

cpe:2.3:a:flowiseai:flowise:1.4.4
Flowiseai » Flowise » Version: 1.4.5

cpe:2.3:a:flowiseai:flowise:1.4.5
Flowiseai » Flowise » Version: 1.4.6

cpe:2.3:a:flowiseai:flowise:1.4.6
Flowiseai » Flowise » Version: 1.4.7

cpe:2.3:a:flowiseai:flowise:1.4.7
Flowiseai » Flowise » Version: 1.4.8

cpe:2.3:a:flowiseai:flowise:1.4.8
Flowiseai » Flowise » Version: 1.4.9

cpe:2.3:a:flowiseai:flowise:1.4.9
Flowiseai » Flowise » Version: 1.5.0

cpe:2.3:a:flowiseai:flowise:1.5.0
Flowiseai » Flowise » Version: 1.5.1

cpe:2.3:a:flowiseai:flowise:1.5.1
Flowiseai » Flowise » Version: 1.6.0

cpe:2.3:a:flowiseai:flowise:1.6.0
Flowiseai » Flowise » Version: 1.6.1

cpe:2.3:a:flowiseai:flowise:1.6.1
Flowiseai » Flowise » Version: 1.6.2

cpe:2.3:a:flowiseai:flowise:1.6.2
Flowiseai » Flowise » Version: 1.6.3

cpe:2.3:a:flowiseai:flowise:1.6.3
Flowiseai » Flowise » Version: 1.6.4

cpe:2.3:a:flowiseai:flowise:1.6.4
Flowiseai » Flowise » Version: 1.6.5

cpe:2.3:a:flowiseai:flowise:1.6.5
Flowiseai » Flowise » Version: 1.6.6

cpe:2.3:a:flowiseai:flowise:1.6.6
Flowiseai » Flowise » Version: 1.7.0

cpe:2.3:a:flowiseai:flowise:1.7.0
Flowiseai » Flowise » Version: 1.7.1

cpe:2.3:a:flowiseai:flowise:1.7.1
Flowiseai » Flowise » Version: 1.7.2

cpe:2.3:a:flowiseai:flowise:1.7.2
Flowiseai » Flowise » Version: 1.8.0

cpe:2.3:a:flowiseai:flowise:1.8.0
Flowiseai » Flowise » Version: 1.8.1

cpe:2.3:a:flowiseai:flowise:1.8.1
Flowiseai » Flowise » Version: 1.8.2

cpe:2.3:a:flowiseai:flowise:1.8.2
Flowiseai » Flowise » Version: 1.8.3

cpe:2.3:a:flowiseai:flowise:1.8.3
Flowiseai » Flowise » Version: 1.8.4

cpe:2.3:a:flowiseai:flowise:1.8.4
Flowiseai » Flowise » Version: 2.0.0

cpe:2.3:a:flowiseai:flowise:2.0.0
Flowiseai » Flowise » Version: 2.0.1

cpe:2.3:a:flowiseai:flowise:2.0.1
Flowiseai » Flowise » Version: 2.0.2

cpe:2.3:a:flowiseai:flowise:2.0.2
Flowiseai » Flowise » Version: 2.0.3

cpe:2.3:a:flowiseai:flowise:2.0.3
Flowiseai » Flowise » Version: 2.0.4

cpe:2.3:a:flowiseai:flowise:2.0.4
Flowiseai » Flowise » Version: 2.0.5

cpe:2.3:a:flowiseai:flowise:2.0.5
Flowiseai » Flowise » Version: 2.0.6

cpe:2.3:a:flowiseai:flowise:2.0.6
Flowiseai » Flowise » Version: 2.0.7

cpe:2.3:a:flowiseai:flowise:2.0.7
Flowiseai » Flowise » Version: 2.1.0

cpe:2.3:a:flowiseai:flowise:2.1.0
Flowiseai » Flowise » Version: 2.1.1

cpe:2.3:a:flowiseai:flowise:2.1.1
Flowiseai » Flowise » Version: 2.1.2

cpe:2.3:a:flowiseai:flowise:2.1.2
Flowiseai » Flowise » Version: 2.1.3

cpe:2.3:a:flowiseai:flowise:2.1.3
Flowiseai » Flowise » Version: 2.1.4

cpe:2.3:a:flowiseai:flowise:2.1.4
Flowiseai » Flowise » Version: 2.1.5

cpe:2.3:a:flowiseai:flowise:2.1.5
Flowiseai » Flowise » Version: 2.2.0

cpe:2.3:a:flowiseai:flowise:2.2.0
Flowiseai » Flowise » Version: 2.2.1

cpe:2.3:a:flowiseai:flowise:2.2.1
Flowiseai » Flowise » Version: 2.2.2

cpe:2.3:a:flowiseai:flowise:2.2.2
Flowiseai » Flowise » Version: 2.2.3

cpe:2.3:a:flowiseai:flowise:2.2.3
Flowiseai » Flowise » Version: 2.2.4

cpe:2.3:a:flowiseai:flowise:2.2.4
Flowiseai » Flowise » Version: 2.2.5

cpe:2.3:a:flowiseai:flowise:2.2.5
Flowiseai » Flowise » Version: 2.2.6

cpe:2.3:a:flowiseai:flowise:2.2.6
Flowiseai » Flowise » Version: 2.2.7

cpe:2.3:a:flowiseai:flowise:2.2.7
Flowiseai » Flowise » Version: 2.2.8

cpe:2.3:a:flowiseai:flowise:2.2.8
Flowiseai » Flowise » Version: 3.0.0

cpe:2.3:a:flowiseai:flowise:3.0.0
Flowiseai » Flowise » Version: 3.0.1

cpe:2.3:a:flowiseai:flowise:3.0.1
Flowiseai » Flowise » Version: 3.0.10

cpe:2.3:a:flowiseai:flowise:3.0.10
Flowiseai » Flowise » Version: 3.0.11

cpe:2.3:a:flowiseai:flowise:3.0.11
Flowiseai » Flowise » Version: 3.0.12

cpe:2.3:a:flowiseai:flowise:3.0.12
Flowiseai » Flowise » Version: 3.0.13

cpe:2.3:a:flowiseai:flowise:3.0.13
Flowiseai » Flowise » Version: 3.0.2

cpe:2.3:a:flowiseai:flowise:3.0.2
Flowiseai » Flowise » Version: 3.0.3

cpe:2.3:a:flowiseai:flowise:3.0.3
Flowiseai » Flowise » Version: 3.0.4

cpe:2.3:a:flowiseai:flowise:3.0.4
Flowiseai » Flowise » Version: 3.0.5

cpe:2.3:a:flowiseai:flowise:3.0.5
Flowiseai » Flowise » Version: 3.0.6

cpe:2.3:a:flowiseai:flowise:3.0.6
Flowiseai » Flowise » Version: 3.0.7

cpe:2.3:a:flowiseai:flowise:3.0.7
Flowiseai » Flowise » Version: 3.0.8

cpe:2.3:a:flowiseai:flowise:3.0.8
Flowiseai » Flowise » Version: 3.0.9

cpe:2.3:a:flowiseai:flowise:3.0.9

Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-56271

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