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CVE-2026-56772— NewsBlur < 14.5.0 - Insecure Direct Object Reference in Social Interactions Endpoint

Quick assessment

Affected
samuelclay NewsBlur
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.

Samuel Clay NewsBlur是美国Samuel Clay个人开发者的一款个人新闻阅读器。 Samuel Clay NewsBlur 14.5.0之前版本存在授权问题漏洞，该漏洞源于访问控制失效，允许已认证用户通过向GET /social/interactions端点提供任意user_id值而无需所有权验证读取私人通知源，攻击者可枚举user_id值访问其他用户的关注、回复和社交活动。

CVSS 4.3 · Medium EPSS 0.33% · P24

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
samuelclay NewsBlur < 14.5.0 affected
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I. Basic Information for CVE-2026-56772

Vulnerability Information
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Vulnerability Title
NewsBlur < 14.5.0 - Insecure Direct Object Reference in Social Interactions Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
NewsBlur before 14.5.0 contains a broken access control vulnerability that allows authenticated users to read private notification feeds by supplying arbitrary user_id values to the GET /social/interactions endpoint without ownership verification. Attackers can enumerate user_id values to access another user's follows, replies, and social activity without authorization.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
通过用户控制密钥绕过授权机制
Source: CVE Program / CVE List V5
Vulnerability Title
Samuel Clay NewsBlur 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Samuel Clay NewsBlur是美国Samuel Clay个人开发者的一款个人新闻阅读器。 Samuel Clay NewsBlur 14.5.0之前版本存在授权问题漏洞，该漏洞源于访问控制失效，允许已认证用户通过向GET /social/interactions端点提供任意user_id值而无需所有权验证读取私人通知源，攻击者可枚举user_id值访问其他用户的关注、回复和社交活动。
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
samuelclay NewsBlur 0 ~ 14.5.0 -

II. Public POCs for CVE-2026-56772

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III. Intelligence Information for CVE-2026-56772

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Patches & Fixes for CVE-2026-56772 (1)

Vendor Advisories for CVE-2026-56772 (1)

Vendor Pages for CVE-2026-56772 (1)

IV. Related Vulnerabilities

Same product: NewsBlur
Same vendor: samuelclay
Same weakness: CWE-639

V. Comments for CVE-2026-56772

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