What is CVE-2026-45229?

CVE-2026-45229 is a high-severity vulnerability in Cp0204 Quark-auto-save, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 8.8/10. Published 2026-05-13.

How severe is CVE-2026-45229?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Cp0204 Quark-auto-save

CVE-2026-45229

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. A…

Vulnerability class: Mass Assignment

EPSS: 0.001 (18.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cp0204 Quark-auto-save — versions 0, ea8377a596446291953dbe36e2d119d85bcd865b

Weakness classification (CWE)

CWE-915 — Improperly Controlled Modification of Dynamically-Determined Object Attributes

References

disclosure@vulncheck.com (release-notes)
disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-45229?: CVE-2026-45229 is a high-severity vulnerability in Cp0204 Quark-auto-save, classified under Improperly Controlled Modification of Dynamically-Determined Object Attributes. CVSS score: 8.8/10. Published 2026-05-13.
How severe is CVE-2026-45229?: High severity. CVSS v3 base score is 8.8 out of 10.