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CVE-2026-62674— Omnigent: Shared Agent Bundle Overwrite Leads to Authenticated Runner RCE

Quick assessment

Affected
omnigent-ai omnigent
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.

Omnigent 是一个开源的 AI 代理框架和元测试工具，用于编排编码代理。在 0.3.0 版本之前，PUT /sessions/{session_id}/agent 端点会检查会话的 LEVEL_EDIT 权限，但不会拒绝绑定共享代理或模板代理（其 agent.session_id 为 None）。具有会话编辑权限的经过身份验证的用户可以通过 omnigent/server/routes/sessions.py 替换该共享代理包，添加一个 stdio MCP 服务器，并导致后续使用共享代理的会话通过 omnig

CVSS 9.0 · Critical EPSS 0.34% · P27

Affected Version Matrix 1

VendorProduct Version RangeStatus
omnigent-ai omnigent < 0.3.0 affected
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I. Basic Information for CVE-2026-62674

Vulnerability Information
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Vulnerability Title
Omnigent: Shared Agent Bundle Overwrite Leads to Authenticated Runner RCE
Source: CVE Program / CVE List V5
Vulnerability Description
Omnigent is an open-source AI agent framework and meta-harness for orchestrating coding agents. Prior to 0.3.0, PUT /sessions/{session_id}/agent checks LEVEL_EDIT permission for a session but does not reject a bound shared or template agent whose agent.session_id is None. An authenticated user with edit access to a session can replace that shared agent bundle through omnigent/server/routes/sessions.py, add a stdio MCP server, and cause later sessions that use the shared agent to launch an attacker-controlled command through omnigent/tools/mcp.py. The command executes with the Omnigent runner process permissions and can expose files, credentials, workspace data, internal services, and runner availability. This issue is fixed in version 0.3.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对生成代码的控制不恰当(代码注入)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
omnigent-ai omnigent < 0.3.0 -

II. Public POCs for CVE-2026-62674

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 7696 chars
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III. Intelligence Information for CVE-2026-62674

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Patches & Fixes for CVE-2026-62674 (2)

Vendor Advisories for CVE-2026-62674 (1)

Vendor Pages for CVE-2026-62674 (1)

Same Patch Batch · omnigent-ai · 2026-08-21 · 4 CVEs total

CVE-2026-62675 8.8 HIGH Omnigent: Uploaded Agent Bundle Allows Authenticated Runner RCE via Python Callable Tools
CVE-2026-62677 8.8 HIGH Omnigent: Unvalidated os_env.cwd in agent bundle yields arbitrary host filesystem access o
CVE-2026-62676 7.1 HIGH Omnigent Guardrail policy bypass: shell-command parser fails open in policies/builtins/_sh

IV. Related Vulnerabilities

Same product: omnigent
Same vendor: omnigent-ai
Same weakness: CWE-94

V. Comments for CVE-2026-62674

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