Description
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.
Severity (CVSS)
| Base score | 6.3 |
|---|---|
| Severity | Medium |
| Version | CVSS 4.0 |
| Vector | 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 |
| Provided by | CNA |
Weaknesses
- CWE-918 — Server-Side Request Forgery (SSRF)
Affected products
| Vendor | Product | Versions |
|---|---|---|
| samuelclay | NewsBlur | 0 to <14.5.0 |
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)
Generated from the official CVE List on 26 Jun 2026 07:05 UTC.