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

Quick assessment

Affected
flytohub flyto-core
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Flyto2 Core是Flyto2组织的一个服务器与网络设备核心平台。 Flyto2 Core 2.26.7之前版本存在服务端请求伪造漏洞，该漏洞源于未使用validate_url_with_env_config验证调用者控制的URL，可能导致服务端请求伪造。

CVSS 8.5 · High EPSS 0.45% · P36

Possible ATT&CK Techniques 1 AI

T1001 · Data Obfuscation

Affected Version Matrix 1

VendorProduct Version RangeStatus
flytohub flyto-core < 2.26.7 affected
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I. Basic Information for CVE-2026-67428

Vulnerability Information
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Vulnerability Title
Flyto2 Core: Multiple HTTP-family modules fetch client-controlled URLs without the SSRF guard their siblings apply (SSRF to internal/metadata)
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
服务端请求伪造(SSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Flyto2 Core 服务端请求伪造漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Flyto2 Core是Flyto2组织的一个服务器与网络设备核心平台。 Flyto2 Core 2.26.7之前版本存在服务端请求伪造漏洞，该漏洞源于未使用validate_url_with_env_config验证调用者控制的URL，可能导致服务端请求伪造。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
flytohub flyto-core < 2.26.7 -

II. Public POCs for CVE-2026-67428

# POC Description Source Link Shenlong Link
AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 10120 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-67428

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Patches & Fixes for CVE-2026-67428 (2)

Vendor Advisories for CVE-2026-67428 (1)

Same Patch Batch · flytohub · 2026-07-29 · 6 CVEs total

CVE-2026-67429 10.0 CRITICAL Flyto2 Core: Arbitrary file write via image.download (and other file-writing modules)
CVE-2026-67426 9.3 CRITICAL Flyto2 Core: Unauthenticated flyto-verification /run: callback_url SSRF and internal runne
CVE-2026-67427 8.6 HIGH Flyto2 Core: ${env.VAR} interpolation reads any env secret despite env.get being denyliste
CVE-2026-67425 8.6 HIGH Flyto2 Core: LLM/API keys leak to an attacker-controlled base_url
CVE-2026-67424 8.5 HIGH Flyto2 Core: Guarded HTTP modules follow redirects into internal space without per-hop SSR

IV. Related Vulnerabilities

Same product: flyto-core
Same vendor: flytohub
Same weakness: CWE-918

V. Comments for CVE-2026-67428

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