CVE-2026-84833: ntegrals openbrowser

ntegrals openbrowser Browser Agent Message Construction agent.ts resource consumption

CVSS 5.3 MediumEPSS 0.0051 · 44th percentile

Published by the CVE Program (CNA: VulDB) at 2 Sept 2026, 17:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
ntegrals	openbrowser	affected 067fc45d649baa961750da8e2f4a75d87c5c75c8

Identifiers

CVE-2026-84833

CNA

VulDB

Weakness (CWE)

CWE-400 · CWE-404

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
5.3	Medium	4.0	CVSS: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	CNA (VulDB)Used for this record
4.3	Medium	3.1	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	CNA (VulDB)
4.3	Medium	3.0	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R	CNA (VulDB)
5.0	Medium	2.0	AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR	CNA (VulDB)

CISA KEV Not listed.
EPSS 0.0051, the 44th percentile, on 14 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 2 Sept 2026. New records show when each source confirmed them.

Sources

References from the CNA

vuldb.com/vuln/398080 vdb-entry
vuldb.com/vuln/398080/cti signaturepermissions-required
vuldb.com/cve/CVE-2026-84833 third-party-advisory
vuldb.com/submit/885464 third-party-advisory
github.com/outlookgp/CVE/tree/main/OpenBrowser_Message_Budget_DoS_Report exploit

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.