Omnigent: Shared Agent Bundle Overwrite Leads to Authenticated Runner RCE

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Summary

CVECVE-2026-62674
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-21 18:16:49 UTC
Updated2026-08-21 18:16:49 UTC
DescriptionOmnigent 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.

Risk And Classification

Primary CVSS: v3.1 9 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Problem Types: CWE-94 | CWE-94 CWE-94: Improper Control of Generation of Code ('Code Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
3.1CNADECLARED9CRITICALCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Omnigent-ai Omnigent affected < 0.3.0 Not specified

References

ReferenceSourceLinkTags
github.com/omnigent-ai/omnigent/security/advisories/GHSA-jrrm-9hc7-2v3h [email protected] github.com
github.com/omnigent-ai/omnigent/releases/tag/v0.3.0 [email protected] github.com
github.com/omnigent-ai/omnigent/pull/1418 [email protected] github.com
github.com/omnigent-ai/omnigent/commit/25a22dc9e6da4648d23749f0a589e47e6... [email protected] github.com
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