CVE-2026-62674 Omnigent: Shared Agent Bundle Overwrite Leads to Authenticated Runner RCE
Authenticated users can overwrite shared agent bundles to inject malicious commands, leading to remote code execution on the runner process.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-62674?
CVE-2026-62674 is a critical code injection vulnerability in omnigent-ai omnigent, published on 21 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-94
Which versions are affected by CVE-2026-62674?
3 open source packages ship an affected version, including omnigent.
| Package | Affected | Fixed in |
|---|---|---|
omnigent PyPI | All versions | 0.3.0 |
omnigent PyPI | All versions | 0.3.0 |
omnigent PyPI | All versions | 0.3.0 |
How do I fix CVE-2026-62674?
Upgrade omnigent to 0.3.0 or later.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-62674 being exploited?
There is no known exploitation of CVE-2026-62674 in the wild and no public exploit code.
Sources
Also known as GHSA-jrrm-9hc7-2v3h, PYSEC-2026-3874.