High 8.5Published Jun 25, 2026

CVE-2026-56771NewsBlur < 14.5.0 - Server-Side Request Forgery via add_url Endpoint

Updated under an hour ago (Oct 27, 2026, 6:20 AM ET)

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It affects samuelclay NewsBlur. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for samuelclay NewsBlur

Exploited in the last 30 days

NewsBlur before version 14.5.0 contains a server-side request forgery vulnerability in the add_url endpoint that allows authenticated users to make arbitrary server requests to internal networks by failing to filter private IP addresses. Attackers can exploit this to access localhost services and cloud metadata endpoints, enabling internal network scanning and sensitive data exfiltration.

CVSS: 8.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
Weakness (CWE): CWE-918
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

samuelclay NewsBlur samuelclay:newsblur (from the name)	before 14.5.0	CNA record

References

References

https://github.com/samuelclay/NewsBlur/releases/tag/Android_14.5.0	release-notes
https://github.com/samuelclay/NewsBlur/commit/2e6c6812c94f35a731bda864de5aef39f18307f1	patch
https://github.com/samuelclay/NewsBlur/commit/af742daeca7cc6c8b0d58cbea381e7bc44daa520	patch
https://www.vulncheck.com/advisories/newsblur-server-side-request-forgery-via-add-url-endpoint	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.