CVE-2026-51583

LOWCVSS 8.5 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD 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.

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0.0/ 10 priority

Sources & remediation

Other references

Weakness type (CWE)

CWE-918

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Threat summary

1 mentions across 1 observed day

What's happening

1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d

Full discourse1 post

DFIR Lab@DFIR_Lab1d
🚨 HIGH Severity: CVE-2026-51583 (CVSS 8.5) SSRF vulnerability in usememos ≤v0.30.0 allows authenticated attackers to target internal addresses via webhook validation. Patch immediately. #CVE #Vulnerability #PatchNow #ThreatIntel #DFIR https://t.co/uISCsddzs1
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