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CVE-2026-45545— Nextcloud: SQL Injection in Column Type Parameter Allows Arbitrary SQL Execution

Quick assessment

Affected
nextcloud security-advisories
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Nextcloud Tables是Nextcloud开源的一个表格应用程序。 Nextcloud Tables 0.7.0版本至0.7.7之前版本、0.8.0版本至0.8.10之前版本、0.9.0版本至0.9.8之前版本和1.0.0版本至1.0.4之前版本存在SQL注入漏洞，该漏洞源于存储型注入，可能导致已认证攻击者执行最长20字节的任意SQL查询。

CVSS 8.2 · High EPSS 0.52% · P42

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
nextcloud security-advisories >= 0.7.0, < 0.7.7 affected
>= 0.8.0, < 0.8.10 affected
>= 0.9.0, < 0.9.8 affected
>= 1.0.0, < 1.0.4 affected
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I. Basic Information for CVE-2026-45545

Vulnerability Information
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Vulnerability Title
Nextcloud: SQL Injection in Column Type Parameter Allows Arbitrary SQL Execution
Source: CVE Program / CVE List V5
Vulnerability Description
Nextcloud is an open source content collaboration platform. From versions 0.7.0 to before 0.7.7, 0.8.0 to before 0.8.10, 0.9.0 to before 0.9.8, and 1.0.0 to before 1.0.4, an authenticated attacker with access to the Tables app may be able to execute arbitrary up to 20 bytes long SQL queries, through a stored injection. With carefully crafted input it is possible to break out of the length limitation. The attacker could use this to extract information from the database, or modify data. This issue has been patched in versions 0.7.7, 0.8.10, 0.9.8, 1.0.4, and 2.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Nextcloud Tables SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nextcloud Tables是Nextcloud开源的一个表格应用程序。 Nextcloud Tables 0.7.0版本至0.7.7之前版本、0.8.0版本至0.8.10之前版本、0.9.0版本至0.9.8之前版本和1.0.0版本至1.0.4之前版本存在SQL注入漏洞，该漏洞源于存储型注入，可能导致已认证攻击者执行最长20字节的任意SQL查询。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
nextcloud security-advisories >= 0.7.0, < 0.7.7 -

II. Public POCs for CVE-2026-45545

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AI-Generated POC Verified env Premium
Qwen3.6-35B-A3B · 11755 chars
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III. Intelligence Information for CVE-2026-45545

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Vendor Advisories for CVE-2026-45545 (1)

Exploits & Public PoCs for CVE-2026-45545 (1)

Same Patch Batch · nextcloud · 2026-06-01 · 26 CVEs total

CVE-2026-45281 8.1 HIGH Nextcloud: Cross-Account Calendar Takeover via Unauthorized Group-Member-Set Update
CVE-2026-45156 8.1 HIGH Nextcloud: Authentication Bypass in ID4me handling via Missing JWT Signature Verification
CVE-2026-45722 7.1 HIGH Nextcloud: Tables app allows limited SQLi in ORDER BY with malicious sort order argument f
CVE-2026-45810 6.8 MEDIUM Nextcloud: Propfind requests for file comments allowed to load comments for other files
CVE-2026-45282 6.5 MEDIUM Nextcloud: Logged-in user bypasses share password and download restrictions on Text attach
CVE-2026-45275 6.5 MEDIUM Nextcloud: Authorization bypass in approval feature allows unauthorized file sharing with
CVE-2026-45267 6.5 MEDIUM Nextcloud: Missing permission check for from submissions
CVE-2026-45285 6.4 MEDIUM Nextcloud: Hidden Public Link creation when sharing to a Team External Member
CVE-2026-45283 6.3 MEDIUM Nextcloud: Files Lock app allows users to lock and unlock files of other users
CVE-2026-45157 6.3 MEDIUM Nextcloud: Valid share tokens allow to access tempory upload files of share owner
CVE-2026-45690 5.9 MEDIUM Nextcloud: Two-Factor Authentication Bypass via Pending Session Token Replay
CVE-2026-45691 5.9 MEDIUM Nextcloud: Bypass of second factor authentication on DAV endpoints
CVE-2026-45543 5.3 MEDIUM Nextcloud: Deleting a Forms collaborator share leaves uploaded response files accessible t
CVE-2026-45153 4.6 MEDIUM Nextcloud: PIN bypass in PassCodeActivity via back button
CVE-2026-45284 4.6 MEDIUM Nextcloud: Wrong condition in the User OIDC app's LdapService allowed deleted LDAP users t
CVE-2026-45279 4.4 MEDIUM Nextcloud: Limited path traversal via template API if using `{lang}` in config
CVE-2026-45264 4.3 MEDIUM Nextcloud: ACL Rename Permission Bypass in Team Folders Allows Unauthorized File Renames
CVE-2026-45286 4.3 MEDIUM Nextcloud: Calendar app leaked user identifiers via attendee suggestion endpoint
CVE-2026-45544 4.3 MEDIUM Nextcloud: Information Disclosure of view filter metdata via Broken Sensitive Data Masking
CVE-2026-45159 3.5 LOW Nextcloud: Files drop share links for end-to-end encrypted folders allowed to drop files i

Showing top 20 of 26 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: security-advisories
Same vendor: nextcloud
Same weakness: CWE-89

V. Comments for CVE-2026-45545

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