CVE•Published 2026-08-11•Modified 2026-08-31•1 article on news•6 live references•NVD data

CVE-2026-51583

Vulnerability data via NVD (ingested)

CVSS v3.1
8.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
EPSS percentile
21
Exploit Prediction Scoring System · top 79% of all CVEs
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.

Timeline
Published 2026-08-11
Modified 2026-08-31

External references

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common). Live host counts are a Premium feature.

More intel sources (5)

Known PoCs on GitHub

No public proof-of-concept repositories found for CVE-2026-51583 on GitHub.