CVE-2026-56772
Medium · 4.3CVSS
4.3
EPSS
0.3%
Published
Jun 25, 2026
CISA due date
—
The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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