CVE-2026-71271

HighCVSS 8.5/10Last modified Oct 24, 2026

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.

Metrics

CVSS 3.1 8.5/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Weakness enumeration

CWE-918

Affected software

Vendor	Product	Versions
usememos	memos	<= 0.29.1

References

Timeline

Published: Aug 5, 2026
Last modified: Oct 24, 2026
NVD status: Deferred

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