{"items":[{"id":"NVI-00016047","kind":"vulnerability","title":"PraisonAI: Webhook signature verification skipped (fail-open) when secret unset, allowing forged inbound webhooks (WhatsApp & Linear bots)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-x92v-rpx6-p6cw","CVE-2026-57122"],"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-0e17832e372e5a193d647312a3a9ab77"],"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":"2026-07-20T21:25:13.000Z","value":"8.6 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-0e17832e372e5a193d647312a3a9ab77"}],"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-0e17832e372e5a193d647312a3a9ab77","url":"https://github.com/advisories/GHSA-x92v-rpx6-p6cw","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-x92v-rpx6-p6cw","publisher":"GitHub Advisory Database","observed_at":"2026-11-03T22:35:18.117Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-0e17832e372e5a193d647312a3a9ab77"],"technology":"praisonai","known_exclusions":[],"conditions_summary":"The WhatsApp and Linear bot adapters verify the inbound webhook HMAC signature only\nwhen a secret is configured. When the secret environment variable is unset — the\ndefault on a fresh install and common in development — verification is skipped entirely\nand the webhook body is parsed and dispatched as a genuine, trusted event. A remote,\nunauthenticated attacker who can reach the bot's webhook endpoint can inject arbitrary\nplatform events.\n\nAffected code:\n\nWhatsApp - src/praisonai/praisonai/bots/whatsapp.py\n- __init__ (line 108): self._app_secret = app_secret or os.environ.get(\"WHATSAPP_APP_SECRET\", \"\")  -> defaults to \"\"\n- route (line 246): app.router.add_post(self._webhook_path, self._handle_webhook)  -> default path \"/webhook\"\n- _handle_webhook (lines 585-595): `if self._app_secret:` gates the ENTIRE check; when falsy the body is\n  json.loads()'d and dispatched to _process_webhook_data() with no verification.\n\nLinear - src/praisonai/praisonai/bots/linear.py\n- __init__ (line 86): self._signing_secret = signing_secret or os.environ.get(\"LINEAR_WEBHOOK_SECRET\", \"\")  -> \"\"\n- _handle_webhook (lines 244-248): same `if self._signing_secret:` fail-open guard.\n- start() (lines 169-170): on","public_affected_ranges":["<= 4.6.52"]}],"null_published_at":"2026-11-04T10:04:27.869Z","source_updated_at":"2026-07-20T21:25:13.000Z","source_disclosed_at":"2026-06-18T13:58:08.000Z","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":"2026-11-03T22:35:18.117Z"}],"next_cursor":null,"snapshot_revision":"42594"}