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CVE-2026-84833— ntegrals openbrowser Browser Agent Message Construction agent.ts resource consumption

Quick assessment

Affected
ntegrals openbrowser
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.

在 ntegrals 的 openbrowser（版本截至 commit 067fc45d649baa961750da8e2f4a75d87c5c75c8）中发现了一个漏洞。该漏洞影响了组件“浏览器代理消息构建”中文件 的某个未知功能。通过对该功能进行操纵，会导致资源消耗（即可能导致资源耗尽型拒绝服务）。该攻击可远程发起。利用方法已经公开，因此可能被利用。 该产品采用滚动发布方式以实现持续交付，因此无法提供受影响版本和已修复版本的具体版本号。厂商此前已就此漏洞披露事宜被联系，但未作任何回应。

CVSS 4.3 · Medium

Possible ATT&CK Techniques 1 AI

T1298
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I. Basic Information for CVE-2026-84833

Vulnerability Information
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Vulnerability Title
ntegrals openbrowser Browser Agent Message Construction agent.ts resource consumption
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in ntegrals openbrowser up to 067fc45d649baa961750da8e2f4a75d87c5c75c8. Affected by this vulnerability is an unknown functionality of the file packages/core/src/agent/agent.ts of the component Browser Agent Message Construction. Performing a manipulation results in resource consumption. It is possible to initiate the attack remotely. The exploit has been made public and could be used. This product is using a rolling release to provide continious delivery. Therefore, no version details for affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ntegrals openbrowser 067fc45d649baa961750da8e2f4a75d87c5c75c8 cpe:2.3:a:ntegrals:openbrowser:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-84833

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III. Intelligence Information for CVE-2026-84833

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Vendor Advisories for CVE-2026-84833 (2)

Proof of Concept for CVE-2026-84833 (1)

Other References for CVE-2026-84833 (1)

IV. Related Vulnerabilities

Same weakness: CWE-400

V. Comments for CVE-2026-84833

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