Nextcloud
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372 CVEs • 39 products
Products (39)
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Products (39)
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CVEs (372)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file. |
A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it. |
A logic error in Nextcloud Server 19.0.0 caused a plaintext storage of the share password when it was given on the initial create API call. |
A too small set of random characters being used for encryption in Nextcloud Server 18.0.4 allowed decryption in shorter time than intended. |
Missing access control in Nextcloud Deck 1.0.4 caused an insecure direct object reference allowing an attacker to view all attachments. |
2Nextcloud Opensuse3Backports Sle LeapPreferred ProvidersJun 17, 2026 Oct 5, 2020 N/A· v4 5.3 MEDIUM· v3 5.0 MEDIUM· v2 A missing rate limit in the Preferred Providers app 1.7.0 allowed an attacker to set the password an uncontrolled amount of times. |
2Fedoraproject Nextcloud2Fedora Nextcloud ServerJun 17, 2026 Oct 5, 2020 N/A· v4 6.5 MEDIUM· v3 3.5 LOW· v2 A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves. |
Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves. |
A cleartext storage of sensitive information in Nextcloud Desktop Client 2.6.4 gave away information about used proxies and their authentication credentials. |
Missing sanitization of a server response in Nextcloud Desktop Client 2.6.4 for Linux allowed a malicious Nextcloud Server to store files outside of the dedicated sync directory. |
A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html (including local links) when responding with invalid data on the login attempt. |
A memory corruption vulnerability exists in NextCloud Desktop Client v2.6.4 where missing ASLR and DEP protections in for windows allowed to corrupt memory. |
A memory leak in the OCUtil.dll library used by Nextcloud Desktop Client 2.6.4 can lead to a DoS against the host system. |
A code injection in Nextcloud Desktop Client 2.6.4 allowed to load arbitrary code when placing a malicious OpenSSL config into a fixed directory. |
1Nextcloud 1Preferred Providers Jun 17, 2026 Jul 30, 2020 N/A· v4 5.3 MEDIUM· v3 5.0 MEDIUM· v2 Improper check of inputs in Nextcloud Preferred Providers app v1.6.0 allowed to perform a denial of service attack when using a very long password. |
A missing file type check in Nextcloud Contacts 3.2.0 allowed a malicious user to upload any file as avatars. |
Improper access control in Nextcloud Deck 1.0.0 allowed an attacker to inject tasks into other users decks. |
A too lax check in Nextcloud Talk 6.0.4, 7.0.2 and 8.0.7 allowed a code injection when a not correctly sanitized talk command was added by an administrator. |
2Fedoraproject Nextcloud2Fedora MailJun 17, 2026 May 12, 2020 N/A· v4 7.0 HIGH· v3 6.8 MEDIUM· v2 A missing verification of the TLS host in Nextcloud Mail 1.1.3 allowed a man in the middle attack. |
An outdated 3rd party library in the Files PDF viewer for Nextcloud Server 18.0.2 caused a Cross-site scripting vulnerability when opening a malicious PDF. |