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Public proof of conceptAwaiting NVD analysis

CVE-2026-107059

Authentication Bypass Exploit in Nextcloud Android Client via Forced Logout

A public proof of concept exists; no exploitation attested.

  • Published2026-10-29
  • WeaknessCWE-926

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2026-10-29CVE publishedCNA

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-107059?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-107059?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2026-107059 yet.

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
2026-10-29
Last Modified
2026-11-03
NVD status
Awaiting Analysis
GitHub Advisory
GHSA-f85r-vx8m-r4hr

Frequently asked questions

What is CVE-2026-107059?

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.

Is CVE-2026-107059 actively exploited?

A proof-of-concept exploit exists for CVE-2026-107059, but active exploitation has not been confirmed at this time.

What is the CVSS score for CVE-2026-107059?

CVE-2026-107059 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

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Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

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Sources for this record