ntegrals openbrowser up to 067fc45d649baa961750da8e2f4a75d87c5c75c8 Browser Agent Message Construction agent.ts resource consumption

Summaryinfo

A vulnerability was found in ntegrals openbrowser up to 067fc45d649baa961750da8e2f4a75d87c5c75c8 and classified as problematic. Affected by this issue is some unknown functionality of the file packages/core/src/agent/agent.ts of the component Browser Agent Message Construction. Executing a manipulation can lead to resource consumption. This vulnerability is registered as CVE-2026-84833. It is possible to launch the attack remotely. Furthermore, an exploit is available. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as problematic was found in ntegrals openbrowser up to 067fc45d649baa961750da8e2f4a75d87c5c75c8. This vulnerability affects an unknown code of the file packages/core/src/agent/agent.ts of the component Browser Agent Message Construction. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-84833. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1499.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• ntegrals

Name

• openbrowser

Version

• 067fc45d649baa961750da8e2f4a75d87c5c75c8

CPE 2.3info

• 🔒

CPE 2.2info

• 🔒

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Threat Intelligenceinfo

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Submitinfo

Accepted

• Submit #885464: ntegrals OpenBrowser v1.0 Resource Exhaustion (by outlookgp)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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