How severe is CVE-2026-45544?

CVE-2026-45544 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-45544 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-45544?

CVE-2026-45544 affects Nextcloud Tables. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-45544?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-45544 have an EU (EUVD) identifier?

Yes. CVE-2026-45544 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33714.

When was CVE-2026-45544 published?

CVE-2026-45544 was published on 2026-06-01 and last updated on 2026-06-17.

CVE-2026-45544

CVE-2026-45544 is a medium-severity vulnerability in Nextcloud Tables with a CVSS 3.x base score of 4.3. 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-1230.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (13th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33714
Weakness: CWE-1230
Affected product: Nextcloud Tables
Published: 2026-06-01
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-45544?: CVE-2026-45544 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-45544 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-45544?: CVE-2026-45544 affects Nextcloud Tables. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-45544?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-45544 have an EU (EUVD) identifier?: Yes. CVE-2026-45544 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33714.
When was CVE-2026-45544 published?: CVE-2026-45544 was published on 2026-06-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nextcloud:tables:*:*:*:*:*:nextcloud:*:*

More vulnerabilities in Nextcloud Tables

CVE-2026-45545 — High (CVSS 8.2): Nextcloud is an open source content collaboration platform. From versions 0.7.0 to before 0.7.7, 0.8.0 to before…
CVE-2026-45722 — High (CVSS 7.1): Nextcloud is an open source content collaboration platform. From versions 0.9.0 to before 0.9.7, and 1.0.0 to before…
CVE-2025-66551 — Medium (CVSS 6.3): Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.6 and 0.9.3, a malicious…
CVE-2024-52511 — Medium (CVSS 6.3): Nextcloud Tables allows users to to create tables with individual columns. By directly specifying the ID of a table or…
CVE-2025-66553 — Medium (CVSS 4.3): Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.7 and 0.9.4, authenticated…
CVE-2025-66513 — Medium (CVSS 4.3): Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.9, 0.9.6, and 1.0.1, the…

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