{"id":"CVE-2026-46548","aliases":["GHSA-2c5x-4jgf-88mj"],"url":"https://o3.security/vulnerability/CVE-2026-46548","summary":"NocoDB: SSRF Protection Bypass in Notification Webhook Plugins (Slack, Discord, Mattermost, Teams)","details":"### Summary\n\nThe `request-filtering-agent` SSRF protection was non-functional in the four notification webhook plugins (Slack, Discord, Mattermost, Teams) because `httpAgent` / `httpsAgent` were passed as part of the request **body** rather than the axios **config**. An authenticated user with hook-creation permission could direct outbound POST requests to arbitrary internal hosts.\n\n### Details\n\n`axios.post(url, data, config)` expects connection agents in the third (config) argument. In all four plugins, the agents were placed in the second (data) argument and serialised as JSON body content:\n\n```ts\n// packages/nocodb/src/plugins/slack/Slack.ts (and Discord / Mattermost / Teams — identical pattern)\nreturn await axios.post(webhook_url, {\n  text,\n  httpAgent: useAgent(webhook_url),   // wrong position — serialised, not used\n  httpsAgent: useAgent(webhook_url),\n});\n```\n\nThe webhook flow: an Editor+ user creates a webhook with `notification.payload.channels[].webhook_url` pointing to an internal host; on trigger, `WebhookInvoker.invoke()` calls the plugin's `sendMessage()` which performs the outbound `axios.post` with no SSRF filtering applied.\n\nThis is distinct from GHSA-xr7v-j379-34v9, which covers a blind SSRF via HEAD in the upload-by-URL path.\n\n### Impact\n\n- Authenticated user (Editor+) can reach cloud-metadata endpoints (`169.254.169.254`) and internal services.\n- Combined with verbose hook logging (`NC_AUTOMATION_LOG_LEVEL=ALL`), response bodies may be exfiltrated.\n\n### Credit\n\nThis issue was reported by [@ik0z](https://github.com/ik0z).","published":"2026-06-23T20:41:06.150Z","modified":"2026-08-12T03:51:21.724607979Z","cvss":{"score":4.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N"},"epss":{"score":0.00176,"percentile":0.07393,"asOf":"2026-08-18"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"nocodb","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/46xxx/CVE-2026-46548.json"},{"type":"ADVISORY","url":"https://github.com/nocodb/nocodb/security/advisories/GHSA-2c5x-4jgf-88mj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-46548"},{"type":"PACKAGE","url":"https://github.com/nocodb/nocodb"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:21.724607979Z"}}