PT-2026-52546 · Samuelclay · Newsblur

George Chen · Published 2026-06-25 · Updated 2026-06-25 · CVE-2026-56772

NVD

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

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.

Fix

IDOR

Weakness Enumeration

CWE-639

Related Identifiers

CVE-2026-56772

Affected Products

Newsblur

References · 4

• https://github.com/samuelclay/NewsBlur/commit/613c60b67cc46b3f4cae1dc2dfd8d717a39bc483 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2026-56772 · Security Note
• https://github.com/samuelclay/NewsBlur/releases/tag/Android_14.5.0 · Note
• https://vulncheck.com/advisories/newsblur-insecure-direct-object-reference-in-social-interactions-endpoint · Note