CVE-2026-45229

Quark Drive (quark-auto-save) < 0.8.5 Mass Assignment via POST /update

Published May 13, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Description
Quark Drive before 0.8.5 contains a mass assignment vulnerability in the POST /update endpoint that allows authenticated attackers to overwrite administrator credentials by posting an arbitrary webui object to the config_data dictionary. Attackers can exploit insufficient deny-list filtering to permanently replace stored login credentials, lock out legitimate administrators, and gain persistent access to all configured tasks, cloud tokens, and notification services.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Title Quark Drive < 0.8.5 Mass Assignment via POST /update Quark Drive (quark-auto-save) < 0.8.5 Mass Assignment via POST /update
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Cp0204
Cp0204 quark-auto-save
Vendors & Products Cp0204
Cp0204 quark-auto-save
Type Values Removed Values Added
Description Quark Drive before 0.8.5 contains a mass assignment vulnerability in the POST /update endpoint that allows authenticated attackers to overwrite administrator credentials by posting an arbitrary webui object to the config_data dictionary. Attackers can exploit insufficient deny-list filtering to permanently replace stored login credentials, lock out legitimate administrators, and gain persistent access to all configured tasks, cloud tokens, and notification services.
Title Quark Drive < 0.8.5 Mass Assignment via POST /update
Weaknesses CWE-915
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 8, 2026, 2:03 PM
Reserved
May 11, 2026, 2:14 PM
Status
Deferred
Published
May 13, 2026, 9:16 PM
Modified
Oct 26, 2026, 2:10 PM