5.3
MEDIUM CVSS 4.0
CVE-2026-56772
NewsBlur < 14.5.0 - Insecure Direct Object Reference in Social Interactions Endpoint
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.

INFO

Published Date :

June 25, 2026, 7:16 p.m.

Last Modified :

Oct. 25, 2026, 10:10 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-56772 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Samuelclay newsblur
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM 83251b91-4cc7-4094-a5c7-464a1b83ea10
CVSS 4.0 MEDIUM [email protected]
Solution
Update NewsBlur to version 14.5.0 or later to fix broken access control.
  • Update NewsBlur to version 14.5.0 or later.
  • Verify access controls on sensitive endpoints.
  • Ensure ownership verification for user data access.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-56772 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-56772 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-56772 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-56772 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Translated by [email protected]

    Oct. 25, 2026

    Action Type Old Value New Value
    Added Translation Title: NewsBlur de samuelclay, Description: NewsBlur antes de 14.5.0 contiene una vulnerabilidad de control de acceso roto que permite a usuarios autenticados leer feeds de notificación privados al suministrar valores arbitrarios de user_id al endpoint GET /social/interactions sin verificación de propiedad. Los atacantes pueden enumerar valores de user_id para acceder a los seguidores, respuestas y actividad social de otro usuario sin autorización.
  • CVE Modified by [email protected]

    Jul. 14, 2026

    Action Type Old Value New Value
    Changed Affected [{'repo': 'https://github.com/samuelclay/NewsBlur', 'vendor': 'samuelclay', 'product': 'NewsBlur', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '14.5.0', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}] [{'repo': 'https://github.com/samuelclay/NewsBlur', 'vendor': 'samuelclay', 'product': 'NewsBlur', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '14.5.0', 'versionType': 'semver'}], 'packageURL': 'pkg:github/samuelclay/NewsBlur', 'defaultStatus': 'unaffected'}]
  • New CVE Received by [email protected]

    Jun. 25, 2026

    Action Type Old Value New Value
    Added Affected [{'repo': 'https://github.com/samuelclay/NewsBlur', 'vendor': 'samuelclay', 'product': 'NewsBlur', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '14.5.0', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}]
    Added 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.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
    Added CWE CWE-639
    Added Reference https://github.com/samuelclay/NewsBlur/commit/613c60b67cc46b3f4cae1dc2dfd8d717a39bc483
    Added Reference https://github.com/samuelclay/NewsBlur/releases/tag/Android_14.5.0
    Added Reference https://www.vulncheck.com/advisories/newsblur-insecure-direct-object-reference-in-social-interactions-endpoint
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 25, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-56772', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-25T18:29:27.951291Z'}
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.