CVE-2026-45229

HIGH 8.8

Quark Drive < 0.8.5 Mass Assignment via POST /update

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-915
Vendor	cp0204
Product	quark-auto-save
Published	May 13, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

Cp0204 / quark-auto-save

0 < 0.8.5

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/Cp0204/quark-auto-save/releases/tag/v0.8.5 github.com: https://github.com/Cp0204/quark-auto-save/commit/ea8377a596446291953dbe36e2d119d85bcd865b vulncheck.com: https://www.vulncheck.com/advisories/quark-drive-mass-assignment-via-post-update

Credits

Katriel Moses