CVE-2026-45810
Last modified
CVE-2026-45810 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before 31.0.12, and 32.0.0 to before 32.0.3, a missing check of a relation allowed authenticated users with access to any file comment, to read the content of all comments. EPSS estimates a 0.25% chance of exploitation in the next 30 days.
Description
Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before 31.0.12, and 32.0.0 to before 32.0.3, a missing check of a relation allowed authenticated users with access to any file comment, to read the content of all comments. It is recommended that the Nextcloud Server is upgraded to 31.0.12 or 32.0.3. It is recommended that the Nextcloud Enterprise Server is upgraded to 21.0.9.20, 22.2.10.35, 23.0.12.31, 24.0.12.30, 25.0.13.25, 26.0.13.22, 27.1.11.22, 28.0.14.13, 29.0.16.10, 30.0.17.5, 31.0.12 or 32.0.3
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Nextcloud Server | >= 31.0.0, < 31.0.12 |
| Nextcloud | Nextcloud Server | >= 32.0.0, < 32.0.3 |
| Nextcloud | Nextcloud Server | >= 21.0.0, < 21.0.9.20 |
| Nextcloud | Nextcloud Server | >= 22.0.0, < 22.2.10.35 |
| Nextcloud | Nextcloud Server | >= 23.0.0, < 23.0.12.31 |
| Nextcloud | Nextcloud Server | >= 24.0.0, < 24.0.12.30 |
| Nextcloud | Nextcloud Server | >= 25.0.0, < 25.0.13.25 |
| Nextcloud | Nextcloud Server | >= 26.0.0, < 26.0.13.22 |
| Nextcloud | Nextcloud Server | >= 27.0.0, < 27.1.11.22 |
| Nextcloud | Nextcloud Server | >= 28.0.0, < 28.0.14.13 |
| Nextcloud | Nextcloud Server | >= 29.0.0, < 29.0.16.10 |
| Nextcloud | Nextcloud Server | >= 30.0.0, < 30.0.17.5 |
References
- https://github.com/nextcloud/server/pull/56982Issue Tracking, Patch
- https://hackerone.com/reports/3425534Permissions Required
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-45810?
How severe is CVE-2026-45810?
How do I fix CVE-2026-45810?
How Strix Helps
- Uncovering a hidden BOLA in Appsmith's snapshot logicStrix autonomously discovered a BOLA/IDOR vulnerability in Appsmith's snapshot deletion path.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-45805Penpot is an open-source design tool for design and code col…8.8
- CVE-2026-45806Penpot is an open-source design tool for design and code col…7.7
- CVE-2026-45807Kestra is an open-source, event-driven orchestration platfor…7.7
- CVE-2026-45808OpenBao is an open source identity-based secrets management …7.1
- CVE-2026-45809OpenSIPS is a Session Initiation Protocol (SIP) server imple…8.7
- CVE-2026-4581A weakness has been identified in code-projects Simple Laund…9.8
- CVE-2026-45811Buffer Copy without Checking Size of Input ('Classic Buffer …7.5
- CVE-2026-45812Incorrect Calculation of Buffer Size vulnerability in Apache…6.5
- CVE-2026-45813Out-of-bounds Write, Integer Underflow (Wrap or Wraparound) …8.8
- CVE-2026-45815Reachable Assertion vulnerability in Apache NimBLE. A specia…7.5
- CVE-2026-45816NULL Pointer Dereference vulnerability in Apache NimBLE in L…7.5
- CVE-2026-4582A security vulnerability has been detected in Shenzhen HCC T…5
Are you affected by CVE-2026-45810?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST