CVE-2026-77165: Nextcloud Server vulnerability
Nextcloud · Server
Affected: Nextcloud Server · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 36% of scored CVEs
DescriptionCVE.org
File owners were unable to unlock TYPE_TOKEN locks placed by other users, leaving files permanently locked with no recovery path outside of the database.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- Nextcloud · Serverfrom 32.0.0 up to and including 34.0.0
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- Nextcloud
- Published
- September 2026
- Bounty reports
- 1 disclosed on HackerOne
Disclosed bug bounty reports about CVE-2026-77165
The reports on HackerOne that name this CVE, with HackerOne's own outcome. Titles and metadata only.
- files_lock: a write-share collaborator can place a TYPE_TOKEN lock that permanently denies the file owner, survives share revocation and account deletNextcloud · 2026 · medium severityValid
CoverageNo articles yet
No CyberSIXT article names CVE-2026-77165 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.