SSRF in Flytohub Flyto-Core
CVE-2026-67424
Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.7, the HTTP modules http.get, http.request, and http.batch in src/core/modules/atomic/http/get.py, src/core/modules/atomic/http/request.py, and src/core/modules/atomic/http/batch.py validate only the initial URL, then follow redirects with allow_redirects=True and without per-hop Location revalidation, allowing a public URL to redirect into internal address space and return the internal response body. This issue is fixed in version 2.26.7.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.002 (14.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N.
Affected products
- Flytohub Flyto-core — versions < 2.26.7
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-67424?
- CVE-2026-67424 is a high-severity vulnerability in Flytohub Flyto-Core, classified under Server-Side Request Forgery (SSRF). CVSS score: 8.5/10. Published 2026-07-29.
- How severe is CVE-2026-67424?
- High severity. CVSS v3 base score is 8.5 out of 10.