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CVE-2026-77172

Quick assessment

Affected
Nextcloud Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

应用密码被允许绕过敏感端点的密码确认机制。

AI Predicted 8.6 Difficulty: Easy

Possible ATT&CK Techniques 1 AI

T1552 · Unsecured Credentials

Affected Version Matrix 1

VendorProduct Version RangeStatus
Nextcloud Server 32.0.0≤ 34.0.0 affected
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I. Basic Information for CVE-2026-77172

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
App passwords were allowed to bypass password confirmation on sensitive endpoints.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Nextcloud Server 32.0.0 ~ 34.0.0 -

II. Public POCs for CVE-2026-77172

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III. Intelligence Information for CVE-2026-77172

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Other References for CVE-2026-77172 (1)

Same Patch Batch · Nextcloud · 2026-10-27 · 9 CVEs total

CVE-2026-87897 Whiteboard SSRF 漏洞：泄露 JWT 并获读写权限
CVE-2026-77173 LibreOffice 文件命名含#致敏感信息未标记
CVE-2026-77167 Nextcloud 未认证 federated share 端点拒绝服务漏洞
CVE-2026-77171 公共共享集体链接允许创建页面漏洞
CVE-2026-82983 Tables 应用分享端点未验证权限导致信息泄露
CVE-2026-82986 Tableau 用户可绕过管理员设置的分组链接共享限制。
CVE-2026-82984 某软件资源 API 存在越权枚举漏洞
CVE-2026-67400 WOPI 配置信息泄露：缺失 Token 类型检查

IV. Related Vulnerabilities

Same product: Server
Same vendor: Nextcloud
Same weakness: CWE-269