CVE-2026-8794 PaperCut NG/MF: User enumeration via timing attack

PaperCut NG/MF contains an observable timing discrepancy in its authentication component. An unauthenticated remote attacker can exploit this vulnerability to perform username enumeration by measuring response times during login attempts. The system executes a password hash comparison only when a...

CVE-2026-47380

NocoDB is software for building databases as spreadsheets. Prior to 2026.04.1, sign-in response timing differed between known and unknown email addresses because the unknown-user branch returned without performing a password hash comparison. This vulnerability is fixed in 2026.04.1...

UBUNTU-CVE-2019-19234

In Sudo through 1.8.29, the fact that a user has been blocked e.g., by using the ! character in the shadow file instead of a password hash is not considered, allowing an attacker who has access to a Runas ALL sudoer account to impersonate any blocked user. NOTE: The software maintainer believes...