CVE-2026-46440 json
Flowise: Basic Auth Credentials Exposed via API
published 2026-05-14 5 mo ago modified 2026-07-23 3 mo ago also GHSA-php6-83fg-gw3g , EUVD-2026-35107
- cvss
- 7.5
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 14%
- public exploits
- 0
- none known
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.
Patch / fix
- npm flowise 3.1.2
- flowiseai flowise 3.1.2
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 5 mo ago
Exploit prediction
0.23% chance of exploitation in the next 30 days, higher than 14% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | flowise | <3.1.2 |
3.1.2 |
Affected products
- FlowiseAI Flowise
Classification
- Weakness
-
- CWE-522 Insufficiently Protected Credentials
References
-
github.com
/FlowiseAI/Flowise/security/advisories/GHSA-php6-83fg-gw3g
exploit, web, mitigation, vendor-advisory
-
github.com
/FlowiseAI/Flowise/releases/tag/flowise%403.1.2
web, product, release-notes
-
nvd.nist.gov
/vuln/detail/CVE-2026-46440
advisory
-
github.com
/FlowiseAI/Flowise
package
Sources
- CVE List CVE-2026-46440
- GitHub Advisory GHSA-php6-83fg-gw3g
- NVD CVE-2026-46440
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