{"id":"CVE-2026-71210","aliases":["EUVD-2026-53207","GHSA-q2c2-jwjg-8cxx"],"status":"published","title":"mealie - DNS-Rebinding TOCTOU in SSRF Guard Allows Internal Network and Cloud Metadata Access","description":"Mealie's AsyncSafeTransport SSRF guard (mealie/pkgs/safehttp/transport.py) resolves a target hostname once, checks the resolved IP against private-range rules, but then issues the actual outbound HTTP request using the original hostname, which the underlying async transport re-resolves independently.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00229,"percentile":0.13808,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2026-08-05T06:59:19Z","modified":"2026-10-28T02:30:40Z","products":[{"vendor":"mealie-recipes","product":"mealie"}],"references":[{"url":"https://github.com/mealie-recipes/mealie","tags":["third-party-advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-71210","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q2c2-jwjg-8cxx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/71xxx/CVE-2026-71210.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-71210","title":"mealie - DNS-Rebinding TOCTOU in SSRF Guard Allows Internal Network and Cloud Metadata Access","description":"Mealie's AsyncSafeTransport SSRF guard (mealie/pkgs/safehttp/transport.py) resolves a target hostname once, checks the resolved IP against private-range rules, but then issues the actual outbound HTTP request using the original hostname, which the underlying async transport re-resolves independently.","status":"published","published":"2026-08-05T06:59:19.902Z","modified":"2026-08-10T11:45:15.487Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:19:49.559463Z"}],"euvd":[{"id":"EUVD-2026-53207","description":"Mealie's AsyncSafeTransport SSRF guard (mealie/pkgs/safehttp/transport.py) resolves a target hostname once, checks the resolved IP against private-range rules, but then issues the actual outbound HTTP request using the original hostname, which the underlying async transport re-resolves independently.","status":"published","published":"2026-08-05T06:59:19Z","modified":"2026-08-10T11:45:15Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:06.086083Z"}],"ghsa":[{"id":"GHSA-q2c2-jwjg-8cxx","title":"Mealie's AsyncSafeTransport SSRF guard (mealie/pkgs/safehttp/transport.py) resolves a target...","description":"Mealie's AsyncSafeTransport SSRF guard (mealie/pkgs/safehttp/transport.py) resolves a target hostname once, checks the resolved IP against private-range rules, but then issues the actual outbound HTTP request using the original hostname, which the underlying async transport re-resolves independently. Because the validated IP is never pinned to the actual connection, a DNS-rebinding attacker (returning a public IP to the validation lookup and a private/metadata IP to the real connection) defeats the guard. This is reachable by any authenticated user via /api/recipes/create/url, /api/recipes/test-scrape-url, and /api/recipes/{slug}/image, and the scraper reflects fetched content back to the requester, allowing an authenticated user to read internal HTTP services and cloud-metadata endpoints.","status":"published","published":"2026-08-05T09:31:18Z","modified":"2026-08-05T09:31:19Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:10:06.083807Z"}],"nvd":[{"id":"CVE-2026-71210","description":"Mealie's AsyncSafeTransport SSRF guard (mealie/pkgs/safehttp/transport.py) resolves a target hostname once, checks the resolved IP against private-range rules, but then issues the actual outbound HTTP request using the original hostname, which the underlying async transport re-resolves independently.","status":"published","published":"2026-08-05T08:16:43.24Z","modified":"2026-10-24T15:10:00.19Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:12:35.031043Z"}],"osv":[{"id":"CVE-2026-71210","title":"mealie - DNS-Rebinding TOCTOU in SSRF Guard Allows Internal Network and Cloud Metadata Access","description":"Mealie's AsyncSafeTransport SSRF guard (mealie/pkgs/safehttp/transport.py) resolves a target hostname once, checks the resolved IP against private-range rules, but then issues the actual outbound HTTP request using the original hostname, which the underlying async transport re-resolves independently.","status":"published","published":"2026-08-05T06:59:19.902Z","modified":"2026-10-28T02:30:40.717161577Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T15:45:15.164658Z"}]}}