Vulnerability · Published Jul 29, 2026 · Assigned by GitHub_M

CVE-2026-67428Flyto2 Core: Multiple HTTP-family modules fetch client-controlled URLs without the SSRF guard their siblings apply (SSRF to internal/metadata)

High 8.5

In plain English

A high-severity server-side request forgery in flyto-core from flytohub. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.5High
Exploit odds (30 days)0.4%top 64.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
PyPIflyto-core2.26.7GHSA-pgwh-4jj4-qm8v
PyPIflyto-core2.26.7PYSEC-2026-3572

Affected products (as reported)

VendorProductVersions
flytohub flyto-core < 2.26.7

Weakness: CWE-918 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

References