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CVE-2026-51583

High

Description

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.

SeverityHigh
CVSS8.5
Exploit probability—
ProductUsememos
PublishedAug 11, 2026
First seenAug 11, 2026
Weakness typeCWE-918Server-side request forgery (SSRF)

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
usememosv ≤ 0.30.0—

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