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has Remote Code Execution in CSV Agent\nThe CSV Agent node in Langflow hardcodes `allow_dangerous_code=True`, which automatically exposes LangChain’s Python REPL tool (`python_repl_ast`). As a result, an attacker can execute arbitrary Python and OS commands on the server via prompt injection, leading to full Remote Code Execution (RCE).","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27966","reference_id":"","reference_type":"","scores":[{"value":"0.37776","scoring_system":"epss","scoring_elements":"0.9728","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-27966"},{"reference_url":"https://github.com/langflow-ai/langflow","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/langflow-ai/langflow"},{"reference_url":"https://github.com/langflow-ai/langflow/commit/d8c6480daa17b2f2af0b5470cdf5c3d28dc9e508","reference_id":"","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2026-02-27T14:15:24Z/"}],"url":"https://github.com/langflow-ai/langflow/commit/d8c6480daa17b2f2af0b5470cdf5c3d28dc9e508"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27966","reference_id":"CVE-2026-27966","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27966"},{"reference_url":"https://github.com/advisories/GHSA-3645-fxcv-hqr4","reference_id":"GHSA-3645-fxcv-hqr4","reference_type":"","scores":[{"value":"CRITICAL","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-3645-fxcv-hqr4"},{"reference_url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-3645-fxcv-hqr4","reference_id":"GHSA-3645-fxcv-hqr4","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:T/P:M/B:A/M:M/D:R/2026-02-27T14:15:24Z/"}],"url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-3645-fxcv-hqr4"}],"fixed_packages":[],"aliases":["CVE-2026-27966","GHSA-3645-fxcv-hqr4"],"risk_score":4.5,"exploitability":"0.5","weighted_severity":"9.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-9ant-8hr4-a7ak"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/9581?format=json","vulnerability_id":"VCID-dsgg-w6zh-5fek","summary":"Langflow is a tool for building and deploying AI-powered agents and workflows. In versions prior to 1.9.0, the delete_api_key_route() endpoint accepts an api_key_id path parameter and deletes it with only a generic authentication check (get_current_active_user dependency). However, the delete_api_key() CRUD function does NOT verify that the API key belongs to the current user before deletion.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-33053","reference_id":"","reference_type":"","scores":[{"value":"0.00057","scoring_system":"epss","scoring_elements":"0.18118","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-33053"},{"reference_url":"https://github.com/langflow-ai/langflow","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/langflow-ai/langflow"},{"reference_url":"https://github.com/langflow-ai/langflow/commit/fdc1b3b1448ff3317d73d3e769a6c4a1717f74d7","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/langflow-ai/langflow/commit/fdc1b3b1448ff3317d73d3e769a6c4a1717f74d7"},{"reference_url":"https://github.com/langflow-ai/langflow/releases/tag/1.7.2","reference_id":"","reference_type":"","scores":[{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/langflow-ai/langflow/releases/tag/1.7.2"},{"reference_url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-rf6x-r45m-xv3w","reference_id":"","reference_type":"","scores":[{"value":"8.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"6.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:L"},{"value":"7.1","scoring_system":"cvssv4","scoring_elements":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2026-03-20T16:22:42Z/"}],"url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-rf6x-r45m-xv3w"},{"reference_url":"https://github.com/advisories/GHSA-rf6x-r45m-xv3w","reference_id":"GHSA-rf6x-r45m-xv3w","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-rf6x-r45m-xv3w"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/47738?format=json","purl":"pkg:pypi/langflow@1.9.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langflow@1.9.0"}],"aliases":["CVE-2026-33053","GHSA-rf6x-r45m-xv3w","PYSEC-2026-78"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"7.9","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-dsgg-w6zh-5fek"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/9585?format=json","vulnerability_id":"VCID-rnzn-x922-vkav","summary":"Langflow is a tool for building and deploying AI-powered agents and workflows. Versions 1.2.0 through 1.8.1 have a bypass of the patch for CVE-2025-68478 (External Control of File Name), leading to the root architectural issue within `LocalStorageService` remaining unresolved. Because the underlying storage layer lacks boundary containment checks, the system relies entirely on the HTTP-layer `ValidatedFileName` dependency. This defense-in-depth failure leaves the `POST /api/v2/files/` endpoint vulnerable to Arbitrary File Write. The multipart upload filename bypasses the path-parameter guard, allowing authenticated attackers to write files anywhere on the host system, leading to Remote Code Execution (RCE). Version 1.9.0 contains an updated fix.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-33309","reference_id":"","reference_type":"","scores":[{"value":"0.00056","scoring_system":"epss","scoring_elements":"0.17815","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-33309"},{"reference_url":"https://github.com/langflow-ai/langflow","reference_id":"","reference_type":"","scores":[{"value":"9.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/langflow-ai/langflow"},{"reference_url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-g2j9-7rj2-gm6c","reference_id":"","reference_type":"","scores":[{"value":"10","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"value":"9.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track*","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:N/T:T/P:M/B:A/M:M/D:R/2026-03-24T17:47:04Z/"}],"url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-g2j9-7rj2-gm6c"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33309","reference_id":"","reference_type":"","scores":[{"value":"9.9","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H"},{"value":"CRITICAL","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33309"},{"reference_url":"https://github.com/advisories/GHSA-g2j9-7rj2-gm6c","reference_id":"GHSA-g2j9-7rj2-gm6c","reference_type":"","scores":[{"value":"CRITICAL","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-g2j9-7rj2-gm6c"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/47738?format=json","purl":"pkg:pypi/langflow@1.9.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langflow@1.9.0"}],"aliases":["CVE-2026-33309","GHSA-g2j9-7rj2-gm6c","PYSEC-2026-79"],"risk_score":4.5,"exploitability":"0.5","weighted_severity":"8.9","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-rnzn-x922-vkav"},{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/9586?format=json","vulnerability_id":"VCID-z1h6-t53p-77aj","summary":"Langflow is a tool for building and deploying AI-powered agents and workflows. In versions 1.0.0 through 1.8.1, the `/api/v1/files/images/{flow_id}/{file_name}` endpoint serves image files without any authentication or ownership check. Any unauthenticated request with a known flow_id and file_name returns the image with HTTP 200. In a multi-tenant deployment, any attacker who can discover or guess a `flow_id` (UUIDs can be leaked through other API responses) can download any user's uploaded images without credentials. Version 1.9.0 contains a patch.","references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2026-33484","reference_id":"","reference_type":"","scores":[{"value":"0.00038","scoring_system":"epss","scoring_elements":"0.11705","published_at":"2026-05-30T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-33484"},{"reference_url":"https://github.com/langflow-ai/langflow","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/langflow-ai/langflow"},{"reference_url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-7grx-3xcx-2xv5","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:P/A:Y/T:P/P:M/B:A/M:M/D:T/2026-03-24T13:37:08Z/"}],"url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-7grx-3xcx-2xv5"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33484","reference_id":"","reference_type":"","scores":[{"value":"7.5","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33484"},{"reference_url":"https://github.com/advisories/GHSA-7grx-3xcx-2xv5","reference_id":"GHSA-7grx-3xcx-2xv5","reference_type":"","scores":[{"value":"HIGH","scoring_system":"cvssv3.1_qr","scoring_elements":""}],"url":"https://github.com/advisories/GHSA-7grx-3xcx-2xv5"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/47738?format=json","purl":"pkg:pypi/langflow@1.9.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langflow@1.9.0"}],"aliases":["CVE-2026-33484","GHSA-7grx-3xcx-2xv5","PYSEC-2026-80"],"risk_score":3.4,"exploitability":"0.5","weighted_severity":"6.8","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-z1h6-t53p-77aj"}],"fixing_vulnerabilities":[],"risk_score":"4.5","resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/langflow@1.8.0rc2"}