CVE-2026-51583

State: Published
Severity: 8.5 High
Published: Aug 11, 2026
Updated: Aug 12, 2026
Reserved: Jun 8, 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.

Scores

CVSS	Score	Vector	Source
3.1	8.5 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N	CISA-ADP

Weaknesses

CWE-918 Server-Side Request Forgery (SSRF)

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://github.com/usememos/memos
https://gist.github.com/seiyaibuki0523/d8af15eb555808319a2633269a9ebb80

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.