CVE-2026-30820: Flowise Authorization Bypass via Spoofed Header
Attack on AI2 Disclosed vulnerabilityInfrastructure vulnerability
Flowise incorrectly trusts a spoofable HTTP header, enabling low-privilege users to bypass authorization checks. Vendors have released patches to address the issue.
disclosed CVENo confirmed exploitation, so this record is tracked as a disclosed vulnerability and not counted as an incident. It moves into the counts if CISA or the vendor confirms exploitation. Why
Details
- type
- Attack on AIAn AI model, agent or AI-powered product was the thing exploited, abused or leaked.
- categories
- Infrastructure vulnerabilityCVEs and advisories in AI frameworks, inference servers, MCP servers, AI developer tools and hosting stacks.
- Infrastructure vulnerability
- owasp llm top 10
- mitre atlas
- no technique for these categoriesBoth rows are derived from the type and categories (OWASP 2025 edition, ATLAS release 2026.09), not classified per record. How
- severity
- 2 · Disclosed vulnerabilityCVE or vendor advisory, patched or patchable, no confirmed exploitation.
- targets
- Framework / tooling
- products
- Flowise
- incident date
- 6 Mar 2026
- first reported
- 6 Mar 2026
- origin
- GitHub Advisory DatabaseVulnerability record from NVD / the GitHub Advisory Database. This product uses the NVD API but is not endorsed or certified by the NVD.
- classifier confidence
- 0.95 · published at or above 0.80; see the methodology
- tags
- CVE-2026-30820 · auth_bypass · flowise
- record
- created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z · json
Sources · 2
- 2026-03-06CVE-2026-30820: Flowise has Authorization Bypass via Spoofed x-request-from HeaderGitHub Advisory Database · github.com/advisories/GHSA-wvhq-wp8g-c7vq
- 2026-03-07CVE-2026-30820: Flowise is a drag & drop user interface to build a customized large language model flow.NVD · nvd.nist.gov/vuln/detail/CVE-2026-30820
Titles and links belong to their publishers. The summary above is written by GCD AI RADAR in its own words; data is CC BY-SA 4.0.
Related incidents
- 2026-03-10CVE-2026-31829: Flowise Affected by Server-Side Request Forgery in HTTP Node2 Disclosedon AIInfra vuln2 src
- 2026-03-06CVE-2026-30824: Flowise Missing Authentication on NVIDIA NIM Endpoints2 Disclosedon AIInfra vuln2 src
- 2026-03-06CVE-2026-30821: Flowise Arbitrary File Upload via MIME Spoofing2 Disclosedon AIInfra vuln2 src
- 2026-03-06CVE-2026-30823: Flowise IDOR and SSO Configuration Vulnerability2 Disclosedon AIInfra vuln2 src
- 2026-03-06CVE-2026-30822: Flowise Allows Mass Assignment on Leads Endpoint2 Disclosedon AIInfra vuln2 src
- 2026-03-05Flowise Vulnerable to PII Disclosure2 Disclosedon AIInfra vulnData leak1 src