How severe is CVE-2026-45229?

CVE-2026-45229 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-45229 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-45229?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-45229 have an EU (EUVD) identifier?

Yes. CVE-2026-45229 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30174.

When was CVE-2026-45229 published?

CVE-2026-45229 was published on 2026-05-13 and last updated on 2026-06-17.

CVE-2026-45229

CVE-2026-45229 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-915.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.7
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30174
Weakness: CWE-915
Published: 2026-05-13
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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. 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.
How severe is CVE-2026-45229?: CVE-2026-45229 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-45229 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-45229?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-45229 have an EU (EUVD) identifier?: Yes. CVE-2026-45229 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30174.
When was CVE-2026-45229 published?: CVE-2026-45229 was published on 2026-05-13 and last updated on 2026-06-17.

References

Other CWE-915 vulnerabilities

CVE-2026-50160 — Critical (CVSS 10.0): Hoppscotch is an API development ecosystem. In self-hosted deployments of hoppscotch-backend from version 2026.4.1 and…
CVE-2026-33453 — Critical (CVSS 10.0): Improperly Controlled Modification of Dynamically-Determined Object Attributes vulnerability in Apache Camel Camel-Coap…
CVE-2025-58367 — Critical (CVSS 10.0): DeepDiff is a project focused on Deep Difference and search of any Python data. Versions 5.0.0 through 8.6.0 are…
CVE-2026-56142 — Critical (CVSS 9.9): In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429…
CVE-2025-2304 — Critical (CVSS 9.4): A Privilege Escalation through a Mass Assignment exists in Camaleon CMS When a user wishes to change his password, the…
CVE-2025-24370 — Critical (CVSS 9.3): Django-Unicorn adds modern reactive component functionality to Django templates. Affected versions of Django-Unicorn…

Browse all CWE-915 vulnerabilities →