Resource exhaustion in 2fastlabs Agent-Squad
CVE-2026-85100
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.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (44.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 44.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- 2fastlabs Agent-Squad — versions 1.1.0, 1.1.1, 1.1.2
Weakness classification (CWE)
References
- github.com/2FastLabs/agent-squad/ (product)
- github.com/2FastLabs/agent-squad/issues/661 (issue-tracking)
- github.com/hackerguopeng/cve/tree/main/Agent_Squad_Streaming_Background_DoS_Rep… (exploit)
- vuldb.com/cve/CVE-2026-85100 (third-party-advisory)
- vuldb.com/submit/884960 (third-party-advisory)
- vuldb.com/submit/884961 (third-party-advisory)
- vuldb.com/vuln/398311 (technical-description, vdb-entry)
- vuldb.com/vuln/398311/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-85100?
- CVE-2026-85100 is a medium-severity vulnerability in 2fastlabs Agent-Squad, classified under Uncontrolled Resource Consumption. CVSS score: 4.3/10. Published 2026-09-03.
- How severe is CVE-2026-85100?
- Medium severity. CVSS v3 base score is 4.3 out of 10.