Vulnerabilities CVE-2026-71271

CVE-2026-71271

High

Open

TLP:CLEAR

Memos Webhook SSRF via 0.0.0.0 Reserved-IP Bypass

NVD CVE.org

AI Analysis

No AI analysis yet.

Description

Memos' webhook URL validation, isReservedIP (internal/webhook/validate.go), checks a candidate IP against a reservedCIDRs list that omits 0.0.0.0/8 and never calls ip.IsUnspecified — unlike the correctly implemented sibling function isInternalIP in internal/httpgetter/html_meta.go, which does.

Details

CVSS Score: 8.5
EPSS Score ⓘ: 0.24%

15.3th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Confidence: 90%
Published: Aug 5, 2026
Last Modified: Aug 10, 2026

Notes

No notes yet. Click "Add Note" to create the first analysis note.

Opinions

No opinions yet. Be the first to assess this intelligence.