CVE-2026-84856

Medium

Description

A vulnerability was detected in rowboatlabs rowboat up to 0.9.1. The impacted element is the function request.text/req.json of the file apps/rowboat/app/api/composio/webhook/route.ts of the component Composio Webhook Endpoint. The manipulation results in denial of service. It is possible to launch the attack remotely. The exploit is now public and may be used. Upgrading to version 0.9.2 is sufficient to resolve this issue. Upgrading the affected component is recommended. The legacy Next.js app was deleted at 0.9.2 rather than patched, leaving no security control behind.

SeverityMedium
CVSS5.3
Exploit probability—
ProductRowboat
PublishedSep 2, 2026
First seenSep 2, 2026
Weakness typeCWE-404CWE-404

How to fix

Affected products

ProductAffected versionsFixed in
rowboatlabs rowboat0.9.0, 0.9.1—

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