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CVE-2026-71272

Memos Webhook DNS Rebinding TOCTOU SSRF in safeDialContext() PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
usememos / memosaffected 0 through 0.29.1

CWE

CWE-367

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.