CVE-2026-51583: Server-Side Request Forgery (SSRF)

An issue in usememos through v0.30.0 allows a remote authenticated attacker to perform Server-Side Request Forgery SSRF via the Webhook validation mechanism in internal/webhook/validate.go, by setting a webhook target to an internal address...

CVE-2026-71271: Server-Side Request Forgery (SSRF)

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/htmlmeta.go, which does...