Vulnerability · Published Sep 2, 2026 · Assigned by VulDB
CVE-2026-84833ntegrals openbrowser Browser Agent Message Construction agent.ts resource consumption
Medium 4.3
In plain English
A medium-severity uncontrolled resource consumption in openbrowser from ntegrals. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 44% of all known vulnerabilities).
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| ntegrals | openbrowser | 067fc45d649baa961750da8e2f4a75d87c5c75c8 |
Weakness: CWE-400, CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
References
- VDB-398080 | ntegrals openbrowser Browser Agent Message Construction agent.ts resource consumption vdb-entry
- VDB-398080 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- CVE-2026-84833 | CVE Analysis and Report third-party-advisory
- Submit #885464 | ntegrals OpenBrowser v1.0 Resource Exhaustion third-party-advisory
- https://github.com/outlookgp/CVE/tree/main/OpenBrowser_Message_Budget_DoS_Report exploit