CVE-2024-36421: Flowise CORS misconfiguration vulnerability
Flowise
Flowise version 1.4.3 contains a CORS misconfiguration that allows arbitrary origins to connect and make requests to the application. This can lead to information theft and can be chained with path injection to read server files.
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
- CVSS
- 8.7
- EPSS
- 0.09 · top 5% · 2026-11-13
- fix status
- Fix status unknown
- first report
- 1 Jul 2024
- last update
- 5 Aug 2024
- CVE ids
Timeline · 2
Sources · 2
Advisories and databases
- 2024-07-01CVE-2024-36421: Flowise is a drag & drop user interface to build a customized large language model flow.NVD · nvd.nist.gov/vuln/detail/CVE-2024-36421
- 2024-08-05CVE-2024-36421: Flowise Cors Misconfiguration in packages/server/src/index.tsGitHub Advisory Database · github.com/advisories/GHSA-66f2-xxgm-f6xp
Titles and links belong to their publishers. The summary above is written by gcdRadar in its own words; data is CC BY-SA 4.0.
Classification
- lane
- Patch now
- AI role
- Attack on AI
- categories
- Infrastructure vulnerability
- severity
- 2 · Disclosed vulnerability
- fix status
- Fix status unknown
- targets
- Framework / tooling
- owasp llm top 10
- LLM03:2025 Supply Chain
- mitre atlas
- no technique for these categories
- dates
- happened 5 Aug 2024 · first reported 1 Jul 2024
- 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.
- record
- confidence 0.95 · created 2026-10-18 07:00Z · updated 2026-10-18 10:04Z
Lane, AI role, categories and severity come from the classifier; the OWASP and ATLAS rows are derived from the categories. How these are assigned
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the brief as text
# CVE-2024-36421: Flowise CORS misconfiguration vulnerability https://gcdradar.vercel.app/incidents/cve-2024-36421-flowise-cors-misconfiguration-vulnerability · AIR-2024-0154 · closed 2024-07-01 - Lane: Patch now - Severity: 2 (Disclosed vulnerability) - Fix status: Fix status unknown - First reported: 2024-07-01 (happened 2024-08-05) - AI role: Attack on AI - Products: Flowise - CVE ids: CVE-2024-36421 - CVSS: 8.7 ## Summary Flowise version 1.4.3 contains a CORS misconfiguration that allows arbitrary origins to connect and make requests to the application. This can lead to information theft and can be chained with path injection to read server files. ## What to do No action recorded; read the sources below and the vendor's advisory. ## Latest updates - 2024-08-05: CVE-2024-36421: Flowise Cors Misconfiguration in packages/server/src/index.ts (https://github.com/advisories/GHSA-66f2-xxgm-f6xp) - 2024-07-01: CVE-2024-36421: Flowise is a drag & drop user interface to build a customized large language model flow. (https://nvd.nist.gov/vuln/detail/CVE-2024-36421) ## Sources - 2024-07-01 NVD: CVE-2024-36421: Flowise is a drag & drop user interface to build a customized large language model flow. https://nvd.nist.gov/vuln/detail/CVE-2024-36421 - 2024-08-05 GitHub Advisory Database: CVE-2024-36421: Flowise Cors Misconfiguration in packages/server/src/index.ts https://github.com/advisories/GHSA-66f2-xxgm-f6xp Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.
Related
- closed8.7Flowise CVE-2024-36420: Flowise Path Injection Vulnerability
Patch now · Disclosed · since 5 Aug 2024 · updated 5 Aug 2024 · CVE-2024-36420
AI - closed6.1Flowise CVE-2024-36422: Flowise Cross-site Scripting Vulnerability
Patch now · Disclosed · since 5 Aug 2024 · updated 5 Aug 2024 · CVE-2024-36422
AI - closed6.1Flowise CVE-2024-37146: Flowise Cross-site Scripting Vulnerability
Patch now · Disclosed · since 5 Aug 2024 · updated 5 Aug 2024 · CVE-2024-37146
AI - closed6.1Flowise CVE-2024-37145: Flowise Cross-site Scripting Vulnerability
Patch now · Disclosed · since 5 Aug 2024 · updated 5 Aug 2024 · CVE-2024-37145
AI - closed6.1Flowise CVE-2024-36423: Flowise reflected cross-site scripting
Patch now · Disclosed · since 5 Aug 2024 · updated 5 Aug 2024 · CVE-2024-36423
AI - closed8.6Flowise CVE-2024-58351: Flowise OverrideConfig security vulnerability
Patch now · Disclosed · since 21 Nov 2024 · updated 20 Jun 2026 · CVE-2024-58351
AI