CVE-2026-51583

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CVSS 3.1

8.5 high

EPSS

<1%p21

Published

Aug 11, 2026 (Aug 11, 2026)

Modified

Aug 31, 2026

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.

Weakness: CWE-918
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.3%)

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