How severe is CVE-2026-45154?

CVE-2026-45154 has a CVSS 3.x base score of 2.6, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2026-45154 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-45154?

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

Does CVE-2026-45154 have an EU (EUVD) identifier?

Yes. CVE-2026-45154 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33673.

When was CVE-2026-45154 published?

CVE-2026-45154 was published on 2026-06-01 and last updated on 2026-06-17.

CVE-2026-45154

CVE-2026-45154 is a low-severity vulnerability with a CVSS 3.x base score of 2.6. 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-284.

Key facts

Severity: Low (CVSS 3.x base score 2.6)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33673
Weakness: CWE-284
Published: 2026-06-01
Last modified: 2026-06-17

Description

Nextcloud is an open source content collaboration platform. From version 2.6.0 to before version 4.3.0, when a previous collective pages was deleted and the collective was shared view-only, guests with access to the collective were able to access the deleted pages directly from the trashbin. This issue has been patched in version 4.3.0.

Frequently asked questions

What is CVE-2026-45154?: Nextcloud is an open source content collaboration platform. From version 2.6.0 to before version 4.3.0, when a previous collective pages was deleted and the collective was shared view-only, guests with access to the collective were able to access the deleted pages directly from the trashbin. This issue has been patched in version 4.3.0.
How severe is CVE-2026-45154?: CVE-2026-45154 has a CVSS 3.x base score of 2.6, rated low severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2026-45154 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-45154?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-45154 have an EU (EUVD) identifier?: Yes. CVE-2026-45154 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33673.
When was CVE-2026-45154 published?: CVE-2026-45154 was published on 2026-06-01 and last updated on 2026-06-17.

References

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