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CVE-2026-59704— Cap - Missing Access Control in Video AI Metadata Endpoint

Quick assessment

Affected
Cap Cap
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.

CapSoftware Cap是CapSoftware公司开源的一款开源的 Loom 替代品，支持屏幕、摄像头和麦克风录制，提供即时分享链接和本地编辑功能，并可自托管实现数据完全自主控制。 CapSoftware Cap存在授权问题漏洞，该漏洞源于GET /api/video/ai端点在返回私有视频AI元数据（包括标题、摘要和章节）之前未能验证用户所有权或成员资格，可能导致经过身份验证的攻击者提供任意视频ID来读取敏感的AI生成内容，并触发未经授权的AI生成，消耗视频所有者的积分。

CVSS 7.1 · High EPSS 0.27% · P18

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
Cap Cap ≤ 8d48642 affected
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I. Basic Information for CVE-2026-59704

Vulnerability Information
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Vulnerability Title
Cap - Missing Access Control in Video AI Metadata Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Cap's GET /api/video/ai endpoint fails to validate user ownership or membership before returning private video AI metadata including titles, summaries, and chapters. Authenticated attackers can supply arbitrary video IDs to read sensitive AI-generated content and trigger unauthorized AI generation that consumes the video owner's credits without consent.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
CapSoftware Cap 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
CapSoftware Cap是CapSoftware公司开源的一款开源的 Loom 替代品，支持屏幕、摄像头和麦克风录制，提供即时分享链接和本地编辑功能，并可自托管实现数据完全自主控制。 CapSoftware Cap存在授权问题漏洞，该漏洞源于GET /api/video/ai端点在返回私有视频AI元数据（包括标题、摘要和章节）之前未能验证用户所有权或成员资格，可能导致经过身份验证的攻击者提供任意视频ID来读取敏感的AI生成内容，并触发未经授权的AI生成，消耗视频所有者的积分。
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
Cap Cap 0 ~ 8d48642 -

II. Public POCs for CVE-2026-59704

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7497 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-59704

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Patches & Fixes for CVE-2026-59704 (2)

Vendor Advisories for CVE-2026-59704 (1)

News Coverage for CVE-2026-59704 (1)

IV. Related Vulnerabilities

Same product: Cap
Same weakness: CWE-862

V. Comments for CVE-2026-59704

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