What is CVE-2026-71271?
CVE-2026-71271 is an SSRF vulnerability in Memos' webhook URL validation due to the isReservedIP() function omitting the 0.0.0.0/8 CIDR range and lacking ip.IsUnspecified() checks. This could allow attackers to access internal network resources, whereas the correct implementation exists in the isInternalIP() function. Users should update Memos to the latest version.
Azərbaycanca: CVE-2026-71271, Memos tətbiqinin webhook URL yoxlama funksiyasında (isReservedIP) 0.0.0.0/8 şəbəkəsinin nəzərə alınmaması səbəbindən, SSRF (Server-Side Request Forgery) zəifliyinə yol açır. Bu, təcavüzkara daxili şəbəkə resurslarına giriş imkanı yaradır, lakin düzgün implementasiya olunmuş isInternalIP funksiyası ilə müqayisədə boşluq aşkarlanıb. İstifadəçilərə Memos'u son versiyaya yeniləmək tövsiyə olunur.
Related CVEs
link basis: same weakness class CWE-918; shared vendor: Memos
FAQ2
What is CVE-2026-71271?
It is an SSRF (Server-Side Request Forgery) vulnerability in Memos caused by the isReservedIP function omitting the 0.0.0.0/8 CIDR range and missing ip.IsUnspecified() checks during webhook URL validation, potentially allowing attackers to access internal network resources.
How to mitigate CVE-2026-71271?
The only current recommendation is to update Memos to the latest version. Since the correct validation logic already exists in the isInternalIP function, updating will patch this SSRF vulnerability.
See also6
This explainer is AI-written from source data — skopnix's own reporting on this CVE; CVSS scores, vendors and versions are never invented. See NVD for the official record.