CVE catalog
CVE-2026-45282
Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.9, and 33.0.0 to before 33.0.3, an authenticated attacker can access attachments of
- Severity
- Medium · CVSS 6.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.29% · Oct 25, 2026
A flaw was found in Nextcloud Server. An authenticated attacker, by knowing a share token and a document ID, could access attachments of link shares. This circumvents password protection or download restrictions, leading to the disclosure of sensitive information from attachments. Red Hat Product Security has determined that this vulnerability does not affect any currently supported Red Hat product. This assessment may evolve based on further analysis and discovery. For more information about this vulnerability and the products it affects, please see the linked references. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | nextcloud_server | Not reported | 32.0.9 | fixed |
| Cpe | nextcloud_server | Not reported | 33.0.3 | fixed |
| Cpe | nextcloud_server | Not reported | 27.1.11.5 | fixed |
| Cpe | nextcloud_server | Not reported | 28.0.14.17 | fixed |
| Cpe | nextcloud_server | Not reported | 29.0.16.16 | fixed |
| Cpe | nextcloud_server | Not reported | 30.0.17.9 | fixed |
| Cpe | nextcloud_server | Not reported | 31.0.14.5 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | nextcloud_server | cpe | Not reported | 32.0.9 | Not reported | Not reported | Not reported |
| Cpe | nextcloud_server | cpe | Not reported | 33.0.3 | Not reported | Not reported | Not reported |
| Cpe | nextcloud_server | cpe | Not reported | 27.1.11.5 | Not reported | Not reported | Not reported |
| Cpe | nextcloud_server | cpe | Not reported | 28.0.14.17 | Not reported | Not reported | Not reported |
| Cpe | nextcloud_server | cpe | Not reported | 29.0.16.16 | Not reported | Not reported | Not reported |
| Cpe | nextcloud_server | cpe | Not reported | 30.0.17.9 | Not reported | Not reported | Not reported |
| Cpe | nextcloud_server | cpe | Not reported | 31.0.14.5 | Not reported | Not reported | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-45282]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45282.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-1471.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]