CVE-2026-45157

published 2026-06-01

CVE-2026-45157: 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, when a…

Priority P3 37 medium 6.3 CVSS 3.1

AV N AC L PR L UI R S U C H I L A N

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, when a malicious user has access to a file share of a user, they could use this share token to also access the chunking upload directly and see temporary part files during on going uploads. It is recommended that the Nextcloud Server is upgraded to 32.0.9 or 33.0.3. It is recommended that the Nextcloud Enterprise Server is upgraded to 26.0.13.26, 27.1.11.25, 28.0.14.17, 29.0.16.16, 30.0.17.9, 31.0.14.5, 32.0.9 or 33.0.3

Affected

2 ranges

Vendor	Product	Version range	Fixed in
nextcloud	security-advisories	—	—
nextcloud	security-advisories	—	—

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CWE-284