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Fencer Vulns
medium 6.5

CVE-2026-77169 json

A vulnerability in the team folders (formerly group folders) app when used in combination with the workspace app allowed API/REST-only dele…

published 2026-09-18 52 d ago modified 2026-09-18 51 d ago also EUVD-2026-82618

cvss
6.5
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 40%
public exploits
0
none known

Summary

A vulnerability in the team folders (formerly group folders) app when used in combination with the workspace app allowed API/REST-only delegated administrators to bypass folder-level authorization controls. The workspace app enables organizations to delegate limited administrative privileges for team folder management via API/REST only, restricting access to folders for which the admin has advanced permissions.

Patch / fix

  • Nextcloud Team Folders 22.0.0

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
51 d ago

Exploit prediction

0.47% chance of exploitation in the next 30 days, higher than 40% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Affected products

  • Nextcloud Team Folders

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.