CVE-2026-55640
2 advisories.
PyPI/nextcloud-mcp-server CVE-2026-55640: critical 9.1, EPSS 0.73%
nextcloud-mcp-server: Unauthenticated `POST /webhooks/nextcloud` allows arbitrary vector data deletion when `WEBHOOK_SECRET` is unset ( default )
Action: Upgrade nextcloud-mcp-server to 0.117.2 or later.
pip install nextcloud-mcp-server==0.117.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.117.2 | - |
Fixed versions
| 0.117.2 |
Sources
- osv: GHSA-8vh3-g2qg-2h2c
- https://github.com/cbcoutinho/nextcloud-mcp-server/security/advisories/GHSA-8vh3-g2qg-2h2c
- https://github.com/cbcoutinho/nextcloud-mcp-server/commit/4fc2b10945108cf1008ec9698291de6706ffcb73
- https://github.com/cbcoutinho/nextcloud-mcp-server
- https://github.com/cbcoutinho/nextcloud-mcp-server/tree/v0.117.2
CVE-2026-55640 · published · modified · JSON
PyPI/nextcloud-mcp-server CVE-2026-55640: critical 9.1, EPSS 0.73%
nextcloud-mcp-server: Unauthenticated `POST /webhooks/nextcloud` allows arbitrary vector data deletion when `WEBHOOK_SECRET` is unset ( default )
Action: Upgrade nextcloud-mcp-server to 0.117.2 or later.
pip install nextcloud-mcp-server==0.117.2Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.117.2 | - |
Fixed versions
| 0.117.2 |
Sources
- osv: PYSEC-2026-3866
- https://github.com/cbcoutinho/nextcloud-mcp-server/security/advisories/GHSA-8vh3-g2qg-2h2c
- https://github.com/cbcoutinho/nextcloud-mcp-server/commit/4fc2b10945108cf1008ec9698291de6706ffcb73
- https://github.com/cbcoutinho/nextcloud-mcp-server
- https://github.com/cbcoutinho/nextcloud-mcp-server/tree/v0.117.2
- https://pypi.org/project/nextcloud-mcp-server
- https://github.com/advisories/GHSA-8vh3-g2qg-2h2c
- https://nvd.nist.gov/vuln/detail/CVE-2026-55640
CVE-2026-55640 · published · modified · JSON