CVE-2026-51583CWE-918ssrf

CVE-2026-51583

High · published August 11, 2026

CVSS v3.1
8.5
EPSS
0%
Percentile
33.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00399 · 33.0th percentile
Weakness
CWE-918 · Server-Side Request Forgery (SSRF)
Published
2026-08-11T18:17Z
References (3)
https://gist.github.com/seiyaibuki0523/d8af15eb555808319a2633269a9ebb80 · [email protected]https://github.com/usememos/memos · [email protected]https://gist.github.com/seiyaibuki0523/d8af15eb555808319a2633269a9ebb80 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 11 AUG 00:00Z
    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…
    cvelistv5