CVE-2026-45545

CVE-2026-45545 is a high-severity vulnerability in Nextcloud Tables with a CVSS 3.x base score of 8.2. 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-89.

Key facts

Description

Nextcloud is an open source content collaboration platform. From versions 0.7.0 to before 0.7.7, 0.8.0 to before 0.8.10, 0.9.0 to before 0.9.8, and 1.0.0 to before 1.0.4, an authenticated attacker with access to the Tables app may be able to execute arbitrary up to 20 bytes long SQL queries, through a stored injection. With carefully crafted input it is possible to break out of the length limitation. The attacker could use this to extract information from the database, or modify data. This issue has been patched in versions 0.7.7, 0.8.10, 0.9.8, 1.0.4, and 2.0.0.

Frequently asked questions

What is CVE-2026-45545?
Nextcloud is an open source content collaboration platform. From versions 0.7.0 to before 0.7.7, 0.8.0 to before 0.8.10, 0.9.0 to before 0.9.8, and 1.0.0 to before 1.0.4, an authenticated attacker with access to the Tables app may be able to execute arbitrary up to 20 bytes long SQL queries, through a stored injection. With carefully crafted input it is possible to break out of the length limitation. The attacker could use this to extract information from the database, or modify data. This issue has been patched in versions 0.7.7, 0.8.10, 0.9.8, 1.0.4, and 2.0.0.
How severe is CVE-2026-45545?
CVE-2026-45545 has a CVSS 3.x base score of 8.2, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-45545 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-45545?
CVE-2026-45545 affects Nextcloud Tables. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-45545?
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-2026-45545 have an EU (EUVD) identifier?
Yes. CVE-2026-45545 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33715.
When was CVE-2026-45545 published?
CVE-2026-45545 was published on 2026-06-01 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Nextcloud Tables

All CVEs affecting Nextcloud Tables →

Other CWE-89 (SQL Injection) vulnerabilities

Browse all CWE-89 (SQL Injection) vulnerabilities →