CVE-2026-84833
Ntegrals Openbrowser Browser Agent Message Construction Resource Consumption 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.
INFO
Published Date :
Sept. 2, 2026, 6:21 p.m.
Last Modified :
Sept. 2, 2026, 6:21 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-84833
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 2.0 | MEDIUM | [email protected] | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | LOW | [email protected] |
Solution
- Update the application when vendor provides a patch.
- Monitor for vendor security advisories.
- Review agent message construction logic.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-84833.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-84833 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-84833
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-84833 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-84833 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Sep. 02, 2026
Action Type Old Value New Value Added 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. Added CVSS V4.0 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 Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CWE CWE-404 Added CWE CWE-400 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/84xxx/CVE-2026-84833.json">CVE-2026-84833</a> Added Reference https://github.com/outlookgp/CVE/tree/main/OpenBrowser_Message_Budget_DoS_Report Added Reference https://vuldb.com/cve/CVE-2026-84833 Added Reference https://vuldb.com/submit/885464 Added Reference https://vuldb.com/vuln/398080 Added Reference https://vuldb.com/vuln/398080/cti