{"items":[{"id":"NVI-00013195","kind":"vulnerability","title":"Langflow: Weak Fernet Key via random.seed()","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-jxw3-mjmx-3pqm","CVE-2026-9205"],"plain_summary":"GitHub lists this reviewed advisory for langflow. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-18e3760e5b94be2eb5a9dee169ff607a"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-05T22:31:37.000Z","value":"9.1 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8c0215db16a314b3d52c2f1cc63ad7cd"},{"kind":"CVSS","as_of":"2026-10-24T13:10:00.147Z","value":"7.4 HIGH (3.1)","meaning":"psirt@us.ibm.com severity; no combined Null risk score.","source_id":"sr-578862ccf781c55c793dd0bf61c5de20"},{"kind":"CVSS","as_of":"2026-10-24T13:10:00.147Z","value":"9.8 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-578862ccf781c55c793dd0bf61c5de20"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.302%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.22969. Missing scores are unknown.","source_id":"sr-18e3760e5b94be2eb5a9dee169ff607a"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8c0215db16a314b3d52c2f1cc63ad7cd","url":"https://github.com/advisories/GHSA-jxw3-mjmx-3pqm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jxw3-mjmx-3pqm","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"},{"id":"sr-578862ccf781c55c793dd0bf61c5de20","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9205","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-9205","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:50.242Z"},{"id":"sr-18e3760e5b94be2eb5a9dee169ff607a","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-9205","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.089Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8c0215db16a314b3d52c2f1cc63ad7cd"],"technology":"langflow","known_exclusions":[],"conditions_summary":"### Summary\n\nLangflow uses Python's `random` module (Mersenne Twister, a non-cryptographic PRNG) seeded with the `SECRET_KEY` to derive the Fernet encryption key for all stored user credentials (API keys, LLM provider secrets, database passwords). When the `SECRET_KEY` is shorter than 32 characters — a common scenario for self-hosted deployments using simple/memorable secrets — the derived encryption key is fully deterministic and reproducible by anyone who knows the seed value. An attacker who obtains the `SECRET_KEY` (e.g., via the MCP path traversal in this repo) can reconstruct the exact Fernet key offline and decrypt every credential stored in the database with no brute force required.\n\nEven when `SECRET_KEY` is 32+ characters (the \"safe\" branch), the raw key material is used directly as the Fernet key — meaning exfiltrating the `secret_key` file is sufficient to decrypt all credentials without any additional computation.\n\n**Severity:** Critical — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N (9.1)\n**CWE-338:** Weak PRNG | **CWE-321:** Hard-coded Cryptographic Key | **CWE-311:** Missing Encryption of Sensitive Data\n\n### Details\n\n**Root cause: `src/backend/base/langflow/services","public_affected_ranges":["<= 1.10.0"]}],"null_published_at":"2026-11-07T14:01:55.383Z","source_updated_at":"2026-10-05T22:31:37.000Z","source_disclosed_at":"2026-10-05T22:31:35.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T01:39:10.636Z"},{"id":"NVI-00013195","kind":"vulnerability","title":"Langflow: Weak Fernet Key via random.seed()","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-jxw3-mjmx-3pqm","CVE-2026-9205"],"plain_summary":"GitHub lists this reviewed advisory for langflow. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-578862ccf781c55c793dd0bf61c5de20"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-05T22:31:37.000Z","value":"9.1 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8c0215db16a314b3d52c2f1cc63ad7cd"},{"kind":"CVSS","as_of":"2026-10-24T13:10:00.147Z","value":"7.4 HIGH (3.1)","meaning":"psirt@us.ibm.com severity; no combined Null risk score.","source_id":"sr-578862ccf781c55c793dd0bf61c5de20"},{"kind":"CVSS","as_of":"2026-10-24T13:10:00.147Z","value":"9.8 CRITICAL (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-578862ccf781c55c793dd0bf61c5de20"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8c0215db16a314b3d52c2f1cc63ad7cd","url":"https://github.com/advisories/GHSA-jxw3-mjmx-3pqm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jxw3-mjmx-3pqm","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"},{"id":"sr-578862ccf781c55c793dd0bf61c5de20","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-9205","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-9205","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T09:59:50.242Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8c0215db16a314b3d52c2f1cc63ad7cd"],"technology":"langflow","known_exclusions":[],"conditions_summary":"### Summary\n\nLangflow uses Python's `random` module (Mersenne Twister, a non-cryptographic PRNG) seeded with the `SECRET_KEY` to derive the Fernet encryption key for all stored user credentials (API keys, LLM provider secrets, database passwords). When the `SECRET_KEY` is shorter than 32 characters — a common scenario for self-hosted deployments using simple/memorable secrets — the derived encryption key is fully deterministic and reproducible by anyone who knows the seed value. An attacker who obtains the `SECRET_KEY` (e.g., via the MCP path traversal in this repo) can reconstruct the exact Fernet key offline and decrypt every credential stored in the database with no brute force required.\n\nEven when `SECRET_KEY` is 32+ characters (the \"safe\" branch), the raw key material is used directly as the Fernet key — meaning exfiltrating the `secret_key` file is sufficient to decrypt all credentials without any additional computation.\n\n**Severity:** Critical — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N (9.1)\n**CWE-338:** Weak PRNG | **CWE-321:** Hard-coded Cryptographic Key | **CWE-311:** Missing Encryption of Sensitive Data\n\n### Details\n\n**Root cause: `src/backend/base/langflow/services","public_affected_ranges":["<= 1.10.0"]}],"null_published_at":"2026-11-05T19:10:23.276Z","source_updated_at":"2026-10-05T22:31:37.000Z","source_disclosed_at":"2026-10-05T22:31:35.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T01:39:10.636Z"},{"id":"NVI-00013195","kind":"vulnerability","title":"Langflow: Weak Fernet Key via random.seed()","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jxw3-mjmx-3pqm","CVE-2026-9205"],"plain_summary":"GitHub lists this reviewed advisory for langflow. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-8c0215db16a314b3d52c2f1cc63ad7cd"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-10-05T22:31:37.000Z","value":"9.1 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-8c0215db16a314b3d52c2f1cc63ad7cd"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-8c0215db16a314b3d52c2f1cc63ad7cd","url":"https://github.com/advisories/GHSA-jxw3-mjmx-3pqm","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jxw3-mjmx-3pqm","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T01:39:10.636Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-8c0215db16a314b3d52c2f1cc63ad7cd"],"technology":"langflow","known_exclusions":[],"conditions_summary":"### Summary\n\nLangflow uses Python's `random` module (Mersenne Twister, a non-cryptographic PRNG) seeded with the `SECRET_KEY` to derive the Fernet encryption key for all stored user credentials (API keys, LLM provider secrets, database passwords). When the `SECRET_KEY` is shorter than 32 characters — a common scenario for self-hosted deployments using simple/memorable secrets — the derived encryption key is fully deterministic and reproducible by anyone who knows the seed value. An attacker who obtains the `SECRET_KEY` (e.g., via the MCP path traversal in this repo) can reconstruct the exact Fernet key offline and decrypt every credential stored in the database with no brute force required.\n\nEven when `SECRET_KEY` is 32+ characters (the \"safe\" branch), the raw key material is used directly as the Fernet key — meaning exfiltrating the `secret_key` file is sufficient to decrypt all credentials without any additional computation.\n\n**Severity:** Critical — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N (9.1)\n**CWE-338:** Weak PRNG | **CWE-321:** Hard-coded Cryptographic Key | **CWE-311:** Missing Encryption of Sensitive Data\n\n### Details\n\n**Root cause: `src/backend/base/langflow/services","public_affected_ranges":["<= 1.10.0"]}],"null_published_at":"2026-11-01T07:29:12.928Z","source_updated_at":"2026-10-05T22:31:37.000Z","source_disclosed_at":"2026-10-05T22:31:35.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T01:39:10.636Z"}],"next_cursor":null,"snapshot_revision":"42594"}