{"cve":"CVE-2026-67426","nvd":{"published":"2026-07-29T19:16:51.770","modified":"2026-10-24T13:10:00.147","status":"Deferred","description":"Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.7, the standalone flyto-verification service in src/core/verification_service.py exposes unauthenticated POST /run on 0.0.0.0:8344 and uses client-supplied callback_url for an outbound POST with X-Internal-Key: $FLYTO_RUNNER_SECRET while bypassing target_allowed, allowing unauthenticated SSRF and runner secret exfiltration. This issue is fixed in version 2.26.7.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N","score":9.3},"cwes":["CWE-306","CWE-522","CWE-918"],"references":["https://github.com/flytohub/flyto-core/commit/0a0a528520ec18f5a21f1ddf858a71cc1edfb6e9","https://github.com/flytohub/flyto-core/releases/tag/v2.26.7","https://github.com/flytohub/flyto-core/security/advisories/GHSA-jx74-cqjv-2c67","https://github.com/flytohub/flyto-core/security/advisories/GHSA-jx74-cqjv-2c67"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:27.712498749+00:00"},"epss":{"cve":"CVE-2026-67426","score":0.00374,"percentile":0.31103,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-jx74-cqjv-2c67","url":"https://osv.dev/vulnerability/GHSA-jx74-cqjv-2c67","summary":"Flyto2 Core: Unauthenticated flyto-verification /run: callback_url SSRF and internal runner-secret exfiltration","modified":"2026-08-10T15:15:16.074285053Z","packages":[{"ecosystem":"PyPI","name":"flyto-core","purl":"pkg:pypi/flyto-core","ranges":[">=2.26.6 <2.26.7"],"fixed":["2.26.7"]}]},{"id":"PYSEC-2026-3571","url":"https://osv.dev/vulnerability/PYSEC-2026-3571","summary":"Flyto2 Core: Unauthenticated flyto-verification /run: callback_url SSRF and internal runner-secret exfiltration","modified":"2026-08-04T14:30:16.316367894Z","packages":[{"ecosystem":"PyPI","name":"flyto-core","purl":"pkg:pypi/flyto-core","ranges":["<2.26.7"],"fixed":["2.26.7"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}