High severity7.5NVD Advisory· Published Apr 23, 2026· Updated Apr 25, 2026
CVE-2026-41266
CVE-2026-41266
Description
Flowise is a drag & drop user interface to build a customized large language model flow. Prior to 3.1.0, /api/v1/public-chatbotConfig/:id ep exposes sensitive data including API keys, HTTP authorization headers and internal configuration without any authentication. An attacker with knowledge just of a chatflow UUID can retrieve credentials stored in password type fields and HTTP headers, leading to credential theft and more. This vulnerability is fixed in 3.1.0.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
flowisenpm | < 3.1.0 | 3.1.0 |
Affected products
2Patches
Vulnerability mechanics
References
3- github.com/FlowiseAI/Flowise/security/advisories/GHSA-4jpm-cgx2-8h37nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-4jpm-cgx2-8h37ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-41266ghsaADVISORY
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