CVE-2026-84833

ntegrals openbrowser Browser Agent Message Construction agent.ts resource consumption

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

ntegrals · openbrowser

CVSS v4.0 VULDB

2.1 LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 VULDB

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

CVSS v2.0 VULDB

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

0.30% chance of exploitation in the next 30 days, 22nd percentile

Published

2026-09-02

Proof-of-concept exploits (1)

• outlookgp/CVE/tree/main/OpenBrowser_Message_Budget_DoS_Report

References

• CVE Record
• NVD entry

Related

• CVE-2026-78250
• CVE-2026-84427
• CVE-2026-84857
• CVE-2026-84885
• CVE-2026-84887
• CVE-2026-84888