CVE-2026-71272
High
Description
Memos' webhook dispatch function safeDialContext (internal/webhook/webhook.go) resolves the target hostname via net.DefaultResolver.LookupHost and validates the resulting IPs against reserved ranges, but then dials net.JoinHostPort(host, port) using the original hostname rather than the already-validated IP address.
SeverityHigh
CVSS8.5
Exploit probability—
ProductMemos
PublishedAug 5, 2026
First seenAug 5, 2026
Weakness typeCWE-367CWE-367
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| usememos memos | v ≤ 0.29.1 | — |
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