{"items":[{"id":"NVI-00011751","kind":"vulnerability","title":"PraisonAI: MCP HTTP-stream transport is unauthenticated by default, exposing tool enumeration and an unvalidated tool-call surface","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-hc5v-gxvj-58wh","CVE-2026-61427"],"plain_summary":"GitHub lists this reviewed advisory for praisonai. 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-10a851037865ede0336bd1d92139f0ca"],"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":"2026-10-08T21:58:46.000Z","value":"7.3 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-18711f6a529fa87eac44aba3055bc8aa"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.427%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36947. Missing scores are unknown.","source_id":"sr-10a851037865ede0336bd1d92139f0ca"}],"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-18711f6a529fa87eac44aba3055bc8aa","url":"https://github.com/advisories/GHSA-hc5v-gxvj-58wh","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-hc5v-gxvj-58wh","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"},{"id":"sr-10a851037865ede0336bd1d92139f0ca","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-2026-61427","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.284Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-18711f6a529fa87eac44aba3055bc8aa"],"technology":"praisonai","known_exclusions":[],"conditions_summary":"## Summary\n\nPraisonAI's MCP HTTP-stream server authenticates requests only when an API key is configured; the CLI defaults `--api-key` to `None`, so `praisonai mcp serve --transport http-stream` exposes the full MCP surface unauthenticated. A request with no `Authorization` (and no `Origin`) can `initialize` and `tools/list` (~50 tools), and the dispatcher forwards tool-call arguments to handlers without validating them against the advertised `inputSchema`. Runtime-confirmed for unauthenticated `initialize`/`tools/list` and the dispatcher schema-bypass. This is **not** an RCE/file-read in 4.6.63 — `workflow.run`/`workflow.run_file` are runtime-refuted (adapter regression). Severity Medium–High.\n\n## Details\n\n### Affected component\n- Package: `praisonai` 4.6.63. Files: `src/praisonai/praisonai/mcp_server/transports/http_stream.py`, `mcp_server/cli.py`, `mcp_server/server.py` (dispatcher).\n\n### Vulnerable code / root cause\n\nPath:\n`src/praisonai/praisonai/mcp_server/transports/http_stream.py`\n\nFunction:\n`mcp_post` / `_validate_origin`\n\nSnippet:\n```python\nif self.api_key:                       # auth applied ONLY when api_key is set\n    auth_header = request.headers.get(\"Authorization\",","public_affected_ranges":["<= 4.6.77"]}],"null_published_at":"2026-11-03T17:49:18.470Z","source_updated_at":"2026-10-08T21:58:46.000Z","source_disclosed_at":"2026-10-08T21:58:42.000Z","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":"2026-11-01T00:58:23.763Z"},{"id":"NVI-00011751","kind":"vulnerability","title":"PraisonAI: MCP HTTP-stream transport is unauthenticated by default, exposing tool enumeration and an unvalidated tool-call surface","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-hc5v-gxvj-58wh","CVE-2026-61427"],"plain_summary":"GitHub lists this reviewed advisory for praisonai. 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-46cba3c64f5436c03b6cdf1f44f5be53"],"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":"2026-10-08T21:58:46.000Z","value":"7.3 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-18711f6a529fa87eac44aba3055bc8aa"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.427%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36956. Missing scores are unknown.","source_id":"sr-46cba3c64f5436c03b6cdf1f44f5be53"}],"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-18711f6a529fa87eac44aba3055bc8aa","url":"https://github.com/advisories/GHSA-hc5v-gxvj-58wh","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-hc5v-gxvj-58wh","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"},{"id":"sr-46cba3c64f5436c03b6cdf1f44f5be53","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-2026-61427","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.083Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-18711f6a529fa87eac44aba3055bc8aa"],"technology":"praisonai","known_exclusions":[],"conditions_summary":"## Summary\n\nPraisonAI's MCP HTTP-stream server authenticates requests only when an API key is configured; the CLI defaults `--api-key` to `None`, so `praisonai mcp serve --transport http-stream` exposes the full MCP surface unauthenticated. A request with no `Authorization` (and no `Origin`) can `initialize` and `tools/list` (~50 tools), and the dispatcher forwards tool-call arguments to handlers without validating them against the advertised `inputSchema`. Runtime-confirmed for unauthenticated `initialize`/`tools/list` and the dispatcher schema-bypass. This is **not** an RCE/file-read in 4.6.63 — `workflow.run`/`workflow.run_file` are runtime-refuted (adapter regression). Severity Medium–High.\n\n## Details\n\n### Affected component\n- Package: `praisonai` 4.6.63. Files: `src/praisonai/praisonai/mcp_server/transports/http_stream.py`, `mcp_server/cli.py`, `mcp_server/server.py` (dispatcher).\n\n### Vulnerable code / root cause\n\nPath:\n`src/praisonai/praisonai/mcp_server/transports/http_stream.py`\n\nFunction:\n`mcp_post` / `_validate_origin`\n\nSnippet:\n```python\nif self.api_key:                       # auth applied ONLY when api_key is set\n    auth_header = request.headers.get(\"Authorization\",","public_affected_ranges":["<= 4.6.77"]}],"null_published_at":"2026-11-01T22:58:19.123Z","source_updated_at":"2026-10-08T21:58:46.000Z","source_disclosed_at":"2026-10-08T21:58:42.000Z","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":"2026-11-01T00:58:23.763Z"},{"id":"NVI-00011751","kind":"vulnerability","title":"PraisonAI: MCP HTTP-stream transport is unauthenticated by default, exposing tool enumeration and an unvalidated tool-call surface","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-hc5v-gxvj-58wh","CVE-2026-61427"],"plain_summary":"GitHub lists this reviewed advisory for praisonai. 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-18711f6a529fa87eac44aba3055bc8aa"],"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":"2026-10-08T21:58:46.000Z","value":"7.3 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-18711f6a529fa87eac44aba3055bc8aa"}],"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-18711f6a529fa87eac44aba3055bc8aa","url":"https://github.com/advisories/GHSA-hc5v-gxvj-58wh","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-hc5v-gxvj-58wh","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:23.763Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-18711f6a529fa87eac44aba3055bc8aa"],"technology":"praisonai","known_exclusions":[],"conditions_summary":"## Summary\n\nPraisonAI's MCP HTTP-stream server authenticates requests only when an API key is configured; the CLI defaults `--api-key` to `None`, so `praisonai mcp serve --transport http-stream` exposes the full MCP surface unauthenticated. A request with no `Authorization` (and no `Origin`) can `initialize` and `tools/list` (~50 tools), and the dispatcher forwards tool-call arguments to handlers without validating them against the advertised `inputSchema`. Runtime-confirmed for unauthenticated `initialize`/`tools/list` and the dispatcher schema-bypass. This is **not** an RCE/file-read in 4.6.63 — `workflow.run`/`workflow.run_file` are runtime-refuted (adapter regression). Severity Medium–High.\n\n## Details\n\n### Affected component\n- Package: `praisonai` 4.6.63. Files: `src/praisonai/praisonai/mcp_server/transports/http_stream.py`, `mcp_server/cli.py`, `mcp_server/server.py` (dispatcher).\n\n### Vulnerable code / root cause\n\nPath:\n`src/praisonai/praisonai/mcp_server/transports/http_stream.py`\n\nFunction:\n`mcp_post` / `_validate_origin`\n\nSnippet:\n```python\nif self.api_key:                       # auth applied ONLY when api_key is set\n    auth_header = request.headers.get(\"Authorization\",","public_affected_ranges":["<= 4.6.77"]}],"null_published_at":"2026-11-01T01:03:56.599Z","source_updated_at":"2026-10-08T21:58:46.000Z","source_disclosed_at":"2026-10-08T21:58:42.000Z","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":"2026-11-01T00:58:23.763Z"}],"next_cursor":null,"snapshot_revision":"42594"}