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Vulnerability details: VCID-9rqv-p7rz-5kar
Vulnerability ID VCID-9rqv-p7rz-5kar
Aliases CVE-2026-46440
GHSA-php6-83fg-gw3g
Summary Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, the checkBasicAuth endpoint validates credentials in plaintext without rate limiting and with direct comparison. This issue has been patched in version 3.1.2.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-522 Insufficiently Protected Credentials
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-46440
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2026-46440
epss 0.00044 https://api.first.org/data/v1/epss?cve=CVE-2026-46440
epss 0.00048 https://api.first.org/data/v1/epss?cve=CVE-2026-46440
cvssv3.1_qr HIGH https://github.com/advisories/GHSA-php6-83fg-gw3g
cvssv3.1 7.5 https://github.com/FlowiseAI/Flowise
generic_textual HIGH https://github.com/FlowiseAI/Flowise
cvssv3 7.5 https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2
cvssv3.1 7.5 https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2
generic_textual HIGH https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2
ssvc Track* https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2
cvssv3 7.5 https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g
cvssv3.1 7.5 https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g
cvssv3.1_qr HIGH https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g
generic_textual HIGH https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g
ssvc Track* https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2026-46440
generic_textual HIGH https://nvd.nist.gov/vuln/detail/CVE-2026-46440
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-46440
https://nvd.nist.gov/vuln/detail/CVE-2026-46440
flowise%403.1.2 https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2
GHSA-php6-83fg-gw3g https://github.com/advisories/GHSA-php6-83fg-gw3g
GHSA-php6-83fg-gw3g https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/FlowiseAI/Flowise
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2026-06-08T19:18:05Z/ Found at https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2026-06-08T19:18:05Z/ Found at https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2026-46440
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.10533
EPSS Score 0.00034
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:42:52.033712+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/46xxx/CVE-2026-46440.json 38.6.0