CVE-2026-56771

Source
https://cve.org/CVERecord?id=CVE-2026-56771
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-56771.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-56771
Published
2026-06-25T18:07:31.771Z
Modified
2026-06-26T04:15:29.363767878Z
Severity
  • 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N CVSS Calculator
Summary
NewsBlur < 14.5.0 - Server-Side Request Forgery via add_url Endpoint
Details

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.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/56xxx/CVE-2026-56771.json",
    "cwe_ids": [
        "CWE-918"
    ],
    "cna_assigner": "VulnCheck"
}
References

Affected packages

Git / github.com/samuelclay/newsblur

Affected ranges

Type
GIT
Repo
https://github.com/samuelclay/newsblur
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Database specific
{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "14.5.0"
        }
    ]
}

Affected versions

Android_14.*
Android_14.0.0
Android_14.1.1
Android_14.2
Android_14.2.1
Android_14.2.2
Android_14.3
Android_14.3.2
Android_14.3.3
Android_14.4.0

Database specific

source
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-56771.json"