CVE-2026-51583

HIGH
MEDIUM Priority: 0.03 BB Relevance: 67/100
Published: 2026-08-11 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Interaction Conf. Impact Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: None
S: Changed
C: High
I: Low
A: None

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 Classification (1)

Bug Bounty Relevance

67 / 100
✓ Network accessible
✓ Low complexity
✓ No user interaction

CVSS Score

8.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

EPSS — Exploitation Probability

0.40%
Raw Score 0.003990
Percentile 34.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00399
2026-10-28
0.00399

Intelligence Sources

nvd ref →