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Security Intel Hub 29+

Curated security advisories, vulnerability analyses, and exploit write-ups — auto-cleaned and translated to English. Updated continuously.

Examples: RCE · SSRF · GHSA · log4j
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Medium
Nextcloud System Address Book Information Disclosure Fix
github.com · 2025-12-06
Nextcloud Server
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High
Nextcloud WebAuthn Credential IDOR Vulnerability Fix Analysis
github.com · 2025-12-06
nextcloud/twofactor_webauthn < 1.4.x (stable1.4 branch)
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Low
Nextcloud Approval Privilege Escalation via File ID (CVE-2025-66515)
CVE-2025-66515 · github.com · 2025-12-06
Nextcloud Approval >= 1.0.0 · Nextcloud Approval >= 2.0.0
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Medium
Nextcloud Tables Information Disclosure Vulnerability (CVE-2025-66553)
GHSA-p53h-6294-crw · github.com · 2025-12-06
Tables >= 0.8.0 · Tables >= 0.9.0
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Medium
Nextcloud Contacts Search Information Disclosure via Missing Access Control (CVE-2025-66510)
GHSA-495w-cqv6-wr59 · github.com · 2025-12-06
Nextcloud Server >= 31.0.0, >= 32.0.0 · Nextcloud Enterprise Server >= 28.0.0, >= 29.0.0, >= 30.0.0, >= 31.0.0
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Low
Nextcloud user_saml Open Redirect via RelayState (CVE-2024-22400)
CVE-2024-22400 · github.com · 2025-11-11
user_saml >= 5.0.0 · user_saml >= 5.1.0 …
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Low
Nextcloud Disabled Shares Allow Download via Preview Images (CVE-2022-41970)
GHSA-9mh6-cph8-772c · github.com · 2025-11-09
Nextcloud Server < 24.0.7 · Nextcloud Server < 25.0.1 …
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Medium
Nextcloud Tables Local File Inclusion via PhpSpreadsheet (CVE-2025-58051)
CVE-2025-58051 · github.com · 2025-10-17
nextcloud/tables >= 0.7.0 · nextcloud/tables >= 0.8.0 …
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Low
Nextcloud CVE-2025-47794 Insecure Temporary File Creation Vulnerability
CVE-2025-47794 · github.com · 2025-05-17
Nextcloud Enterprise Server >= 26.0.0, >= 27.0.0, >= 28.0.0, >= 29.0.0, >= 30.0.0, >= 31.0.0 · Nextcloud Server >= 29.0.0, >= 30.0.0, >= 31.0.0
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Medium
Nextcloud Groupfolders Quota Bypass via Attachment (CVE-2025-47793)
CVE-2025-47793 · github.com · 2025-05-17
Nextcloud Enterprise Server >= 30.0.0 · Nextcloud Enterprise Server >= 29.0.0 …
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Medium
Nextcloud CVE-2025-47791: Unrate-limited endpoint allows SSRF
CVE-2025-47791 · github.com · 2025-05-17
Nextcloud Server 28.0.13 · Nextcloud Server 29.0.10 …
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Medium
Nextcloud Session Timeout Bypasses 2FA (Moderate Severity)
github.com · 2025-05-17
Nextcloud >= 29.0.0 · Nextcloud >= 30.0.0 …
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Medium
Nextcloud External Storage Global Credentials Leakage
github.com · 2024-11-17
Nextcloud Server >= 28.0.0 · Nextcloud Server >= 29.0.0 …
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Low
Nextcloud Background Job Hash Collision Vulnerability (CVE-2024-52521)
GHSA-2q6f-gjgj-7hp4 · github.com · 2024-11-17
Nextcloud Server >= 28.0.0 · Nextcloud Server >= 29.0.0 …
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Medium
Nextcloud Background Job Argument Hashing Upgraded from MD5 to SHA256
github.com · 2024-11-17
Nextcloud Server <= 28.0.0
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Low
Nextcloud Attachments Folder Accessible on Password Protected Shares
github.com · 2024-11-17
Nextcloud Server >= 28.0.0 · Nextcloud Server >= 29.0.0 …
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Low
Nextcloud Tables Information Disclosure Vulnerability (GHSA-rgvc-xr2w-qq45)
GHSA-rgvc-xr2w-qq45 · github.com · 2024-11-17
Nextcloud Tables >= 0.3.0
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Low
Nextcloud Client-Side Encryption Signature Validation Bypass Fix
github.com · 2024-11-17
Nextcloud Desktop < 3.13
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Low
Nextcloud User Password Cleartext in Memory Vulnerability (GHSA-w7v5-mgxm-v6gm)
GHSA-w7v5-mgxm-v6gm · github.com · 2024-11-17
Nextcloud Server >= 28.0.0 · Nextcloud Server >= 29.0.0 …
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All articles are auto-cleaned (markdown extraction + LLM noise removal) and translated to English by our offline pipeline. Source URL is always preserved at the bottom of each article.

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