CVE-2026-122028

MEDIUM 4.3

NST Labs Tech Nstbrowser Local Agent API info information disclosure

CVSS Score

4.3

EPSS Score

0.0%

EPSS Percentile

0th

A vulnerability has been found in NST Labs Tech Nstbrowser 1.21.0. Affected by this vulnerability is an unknown functionality of the file /agent/info of the component Local Agent API. Such manipulation leads to information disclosure. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CWE	CWE-200 CWE-284
Vendor	nst labs tech
Product	nstbrowser
Published	Nov 4, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:X/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

NST Labs Tech / Nstbrowser

1.21.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/431091 vuldb.com: https://vuldb.com/vuln/431091/cti vuldb.com: https://vuldb.com/cve/CVE-2026-122028 vuldb.com: https://vuldb.com/submit/1025065 drive.google.com: https://drive.google.com/drive/folders/135l_IZU955OmUNC5so83IiixlPPJp5X1?usp=drive_link drive.google.com: https://drive.google.com/drive/folders/135l_IZU955OmUNC5so83IiixlPPJp5X1

Credits

🔍 PoriaMs (VulDB User) VulDB CNA Team