Medium 5.5Published Aug 30, 2026

CVE-2026-82640browser-use web-ui 2.0.0 through 3.0.0 Cleartext API Key Storage

Updated under an hour ago (2026-10-19 07:23 UTC)

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It affects browser-use web-ui. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for browser-use web-ui

Exploited in the last 30 days

browser-use web-ui versions 2.0.0 through 3.0.0 write configured LLM API keys to disk in cleartext without encryption or access restrictions. Attackers with read access to the temporary settings directory can recover provider API keys from predictably-named JSON files.

CVSS: 5.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-312
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Sep 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

browser-use web-ui browser_use:web_ui (from the name)	from 2.0.0 through 3.0.0	CNA record

References

https://github.com/browser-use/web-ui/issues/736issue-tracking
https://github.com/browser-use/web-uiproduct
https://github.com/browser-use/web-ui/blob/v3.0.0/src/webui/webui_manager.pytechnical-description
https://www.vulncheck.com/advisories/browser-use-web-ui-2.0.0-through-3.0.0-cleartext-api-key-storagethird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.