Vulnerability · Published Oct 27, 2026 · Assigned by hackerone
CVE-2026-77171
Low 3.5
In plain English
A low-severity improper access control in Collectives from Nextcloud. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).
Severity (CVSS 3.0)3.5Low
Exploit odds (30 days)0.2%top 93.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A public shared collective always allowed recipients of the link to create pages.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Nextcloud | Collectives | 4.0.0 – through 4.0.0 |
Weakness: CWE-284 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N