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CVE-2026-84856— rowboatlabs rowboat Composio Webhook Endpoint route.ts req.json denial of service

Quick assessment

Affected
rowboatlabs rowboat
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

RowBoat Labs rowboat是RowBoat Labs公司开源的一个人工智能驱动的多智能体构建器。 RowBoat Labs rowboat 0.9.1及之前版本存在资源管理错误漏洞，该漏洞源于Composio Webhook Endpoint组件对文件apps/rowboat/app/api/composio/webhook/route.ts中request.text/req.json函数的操作不当，可能导致拒绝服务。

CVSS 5.3 · Medium EPSS 0.70% · P53

Affected Version Matrix 3

VendorProduct Version RangeStatus
rowboatlabs rowboat 0.9.0 affected
0.9.1 affected
0.9.2 unaffected
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I. Basic Information for CVE-2026-84856

Vulnerability Information
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Vulnerability Title
rowboatlabs rowboat Composio Webhook Endpoint route.ts req.json denial of service
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不恰当的资源关闭或释放
Source: CVE Program / CVE List V5
Vulnerability Title
RowBoat Labs rowboat 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RowBoat Labs rowboat是RowBoat Labs公司开源的一个人工智能驱动的多智能体构建器。 RowBoat Labs rowboat 0.9.1及之前版本存在资源管理错误漏洞，该漏洞源于Composio Webhook Endpoint组件对文件apps/rowboat/app/api/composio/webhook/route.ts中request.text/req.json函数的操作不当，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
rowboatlabs rowboat 0.9.0 cpe:2.3:a:rowboatlabs:rowboat:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-84856

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III. Intelligence Information for CVE-2026-84856

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Vendor Advisories for CVE-2026-84856 (2)

Proof of Concept for CVE-2026-84856 (1)

Vendor Pages for CVE-2026-84856 (1)

Other References for CVE-2026-84856 (1)

IV. Related Vulnerabilities

Same product: rowboat
Same vendor: rowboatlabs
Same weakness: CWE-404