CVE-2026-56772

MediumCVSS 4.3/10Last modified Oct 25, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-639

Affected software

Vendor	Product	Versions
samuelclay	NewsBlur	< 14.5.0

References

Timeline

Published: Jun 25, 2026
Last modified: Oct 25, 2026
NVD status: Deferred

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