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EPSS 0.4%top 69%

CVE-2026-51583: n/a

0
High
Published: 08/11/2026 (08/11/2026, 00:00:00 UTC)
Source: GCVE Database

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.

CVSS v3.1

Score 8.5high

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Affected software

GitHub Actionsmore threats →ai
usememos/memos
pkg:github/usememos/memos
Affected versions
<=0.30.0

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AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/11/2026, 18:58:54 UTC

Technical Analysis

The usememos application versions up to and including 0.30.0 contain a vulnerability in the webhook validation logic located in internal/webhook/validate.go. This flaw permits a remote attacker with authentication to specify webhook targets that point to internal network addresses, enabling Server-Side Request Forgery (SSRF) attacks. No CVSS score or detailed impact metrics are provided. No patch or remediation information is available from the source data.

Potential Impact

An authenticated attacker can exploit this vulnerability to make the server send requests to internal network resources that may not be otherwise accessible. This could lead to unauthorized access or information disclosure within the internal network. The exact impact depends on the internal network configuration and what services are reachable via SSRF.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict or monitor authenticated users' ability to configure webhook targets to prevent pointing to internal addresses.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-qmhr-x227-7hgf
Osv Schema Version
1.4.0
Aliases
["CVE-2026-51583"]
State
PUBLISHED

Threat ID: 6a7b6fcabf8831d5393e9c1f

Added to database: 08/11/2026, 18:54:02 UTC

Last enriched: 08/11/2026, 18:58:54 UTC

Last updated: 09/26/2026, 01:47:42 UTC

Views: 38

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