Vulnerability · Published Oct 29, 2026 · Assigned by mitre
CVE-2026-107059
High 7.5
In plain English
A high-severity security flaw in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 26% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 73.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
An issue in Nextcloud versionCode 30390190 allows attackers to force victim users to logout of their accounts and switch to an attacker controlled progile, bypassing authentication.
Affected products (as reported)
Weakness: CWE-926 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N