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CVE-2026-53497— CrossWatch: Unauthenticated /api/app-auth/status endpoint leaks active session metadata (IP, User-Agent, session IDs)

Quick assessment

Affected
cenodude CrossWatch
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.

CrossWatch (CW) 是一款同步引擎。在版本 0.9.21 之前，端点 无需身份验证即可访问，并返回 数组，该数组暴露了所有活跃会话的元数据，包括来源 IP 地址、User-Agent 字符串、内部会话 ID 以及创建/过期时间戳。任何未经认证的远程攻击者均可在无需凭据的情况下枚举这些数据。版本 0.9.21 已修复此问题。

CVSS 5.3 · Medium EPSS 0.23% · P15

Affected Version Matrix 1

VendorProduct Version RangeStatus
cenodude CrossWatch < 0.9.21 affected
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I. Basic Information for CVE-2026-53497

Vulnerability Information
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Vulnerability Title
CrossWatch: Unauthenticated /api/app-auth/status endpoint leaks active session metadata (IP, User-Agent, session IDs)
Source: CVE Program / CVE List V5
Vulnerability Description
CrossWatch (CW) is a synchronization engine. Prior to version 0.9.21, GET /api/app-auth/status is accessible without authentication and returns the other_sessions array, which exposes metadata of all active sessions — including originating IP addresses, User-Agent strings, internal session IDs, and creation/expiry timestamps. Any unauthenticated network attacker can enumerate this data without credentials. Version 0.9.21 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
cenodude CrossWatch < 0.9.21 -

II. Public POCs for CVE-2026-53497

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III. Intelligence Information for CVE-2026-53497

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Vendor Advisories for CVE-2026-53497 (1)

Other References for CVE-2026-53497 (1)

IV. Related Vulnerabilities

Same weakness: CWE-200

V. Comments for CVE-2026-53497

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