CVE-2026-84856

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.

CVSS v3 5.3 MEDIUM
CVSS v2.0 5.0 MEDIUM

5.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/hackerguopeng/cve/tree/main/Rowboat_PreAuth_Body_Buffer_DoS_Report
https://github.com/rowboatlabs/rowboat/releases/tag/v0.9.2
https://vuldb.com/cve/CVE-2026-84856
https://vuldb.com/submit/886260
https://vuldb.com/vuln/398131
https://vuldb.com/vuln/398131/cti

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-02 20:17

Updated : 2026-09-03 17:25

NVD link : CVE-2026-84856

Mitre link : CVE-2026-84856

CVE.ORG link : CVE-2026-84856

JSON object : View

Products Affected

No product.

CWE

CWE-404

Improper Resource Shutdown or Release

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