What is CVE-2026-45544?

CVE-2026-45544 is a medium-severity vulnerability in Nextcloud Security-Advisories, classified under CWE-1230. CVSS score: 4.3/10. Published 2026-06-01.

How severe is CVE-2026-45544?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in Nextcloud Security-Advisories

CVE-2026-45544

Nextcloud is an open source content collaboration platform. From version 0.8.0 to before version 1.0.4, the view filter criteria is exposed to users with read-only permissions in Nextcloud Tables. This issue has been patched in versions 1.0.4 and 2.0.0.

Published 2026-06-01 · last modified 2026-07-22.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.004 (29.6th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.004 · change: +0.002

Affected products

Nextcloud Security-Advisories — versions >= 0.8.0, < 1.0.4
Nextcloud Tables

Weakness classification (CWE)

CWE-1230

References

github.com/nextcloud/security-advisories/security/advisories/GHSA-vvxm-6jjp-m9mp (Mitigation, Vendor Advisory)
github.com/nextcloud/tables/pull/2312 (Patch, Issue Tracking)
hackerone.com/reports/3483753 (Permissions Required)

Frequently asked questions

What is CVE-2026-45544?: CVE-2026-45544 is a medium-severity vulnerability in Nextcloud Security-Advisories, classified under CWE-1230. CVSS score: 4.3/10. Published 2026-06-01.
How severe is CVE-2026-45544?: Medium severity. CVSS v3 base score is 4.3 out of 10.