CVE-2026-82640 PUBLISHED

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

Assigner: VulnCheck
Reserved: 30.08.2026 Published: 30.08.2026 Updated: 30.08.2026

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 Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6.8

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Local	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 5.5

Attack Vector	Local	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	browser-use
Product	web-ui
Versions	Default: unaffected affected from 2.0.0 to 3.0.0 (incl.)

CVE-2026-82640 PUBLISHED

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

Metrics

Product Status

Credits

References

Problem Types