CVE-2026-82640CWE-312

CVE-2026-82640

Medium · published August 30, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
0.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
6.8 · 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
EPSS
0.00072 · 0.1th percentile
Weakness
CWE-312 · Cleartext Storage of Sensitive Information
Published
2026-08-30T18:17Z
References (4)
https://github.com/browser-use/web-ui · [email protected]https://github.com/browser-use/web-ui/blob/v3.0.0/src/webui/webui_manager.py · [email protected]https://github.com/browser-use/web-ui/issues/736 · [email protected]https://www.vulncheck.com/advisories/browser-use-web-ui-2.0.0-through-3.0.0-cleartext-api-key-storage · [email protected]
EPSS history
Timeline
  • 01 SEP 03:32Z
    EPSS moved — → 0%
    epss
  • 30 AUG 13:23Z
    browser-use web-ui 2.0.0 through 3.0.0 Cleartext API Key Storage
    cvelistv5