CVE-2026-45229

Summary

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.

Affected Software

VendorProductVersion RangeStatus
Cp0204quark-auto-save0 < 0.8.5affected
Cp0204quark-auto-saveea8377a596446291953dbe36e2d119d85bcd865bunaffected

Weaknesses

  • CWE-915: Improperly Controlled Modification of Dynamically-Determined Object Attributes

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References