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CVE-2026-44775— Kavita: No authentication at /api/Reader/image

Quick assessment

Affected
Kareadita Kavita
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.

kavita是Kavita开源的一个快速、功能丰富的跨平台阅读服务器。 kavita 0.9.0之前版本存在访问控制错误漏洞，该漏洞源于ReaderController.GetImage端点允许完全未认证访问，可能导致内容枚举。

AI Predicted 5.3 Difficulty: Easy EPSS 0.28% · P21

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Kareadita Kavita < 0.9.0 affected
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I. Basic Information for CVE-2026-44775

Vulnerability Information
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Vulnerability Title
Kavita: No authentication at /api/Reader/image
Source: CVE Program / CVE List V5
Vulnerability Description
Kavita is a cross platform reading server. Prior to 0.9.0, the ReaderController.GetImage endpoint is decorated with [AllowAnonymous], allowing completely unauthenticated access to page images from any chapter in any library. While the endpoint accepts an apiKey parameter, it is never validated. Since entity IDs are sequential integers, an unauthenticated attacker can trivially enumerate all content on the server. This vulnerability is fixed in 0.9.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
kavita 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
kavita是Kavita开源的一个快速、功能丰富的跨平台阅读服务器。 kavita 0.9.0之前版本存在访问控制错误漏洞，该漏洞源于ReaderController.GetImage端点允许完全未认证访问，可能导致内容枚举。
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
Kareadita Kavita < 0.9.0 -

II. Public POCs for CVE-2026-44775

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III. Intelligence Information for CVE-2026-44775

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Vendor Advisories for CVE-2026-44775 (1)

Same Patch Batch · Kareadita · 2026-05-26 · 3 CVEs total

CVE-2026-47202 Kavita: Pre-Auth Account Takeover
CVE-2026-44776 Kavita: IDOR in /api/Download/*

IV. Related Vulnerabilities

Same product: Kavita
Same vendor: Kareadita
Same weakness: CWE-306

V. Comments for CVE-2026-44775

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