SSRF in Flytohub Flyto-Core
CVE-2026-67428
Flyto2 Core is an execution kernel for automation and AI-agent workflows. Prior to 2.26.7, HTTP-emitting modules including src/core/modules/third_party/developer/http/requests.py, core.api.http_get, core.api.http_post, graphql.query, graphql.mutation, monitor.http_check, communication.slack_send, notification.discord.send_message, notification.slack.send_message, notification.teams.send_message, ai.vision_analyze, verify.visual_diff, browser.proxy_rotate, and the agent and llm inline base_url branch fetch caller-controlled URLs without validate_url_with_env_config, allowing SSRF to internal or metadata endpoints. This issue is fixed in version 2.26.7.
Vulnerability class: SSRF (Server-Side Request Forgery)
EPSS: 0.003 (26.7th 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-2026-67428?
- CVE-2026-67428 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-2026-67428?
- High severity. CVSS v3 base score is 8.5 out of 10.