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    CVE-2026-51583

    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.

    Published:Aug 11, 2026
    Last Modified:Aug 13, 2026
    EPS:Aug 11, 2026
    EPSS Score:0.00221
    CVSS Score:8.5

    Affected Products

    Vendor
    Usememos
    Product
    Memos

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

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    CVE-2026-51584 (CVSS 9.8) — An issue in usememos v0.27.1 allows a remote attacker to achieve account takeover via the ssoCredentials branc…
    CVE-2026-71272 (CVSS 8.5) — Memos' webhook dispatch function safeDialContext (internal/webhook/webhook.go) resolves the target hostname vi…
    CVE-2026-71271 (CVSS 8.5) — Memos' webhook URL validation, isReservedIP (internal/webhook/validate.go), checks a candidate IP against a re…
    CVE-2026-30586 (CVSS 6.1) — Cross Site Scripting vulnerability in usememos Memos v.0.26.0 allows a remote attacker to obtain sensitive inf…
    CVE-2026-6634 (CVSS 2.1) — A weakness has been identified in usememos memos up to 0.22.1. This affects the function memos_access_token of…
    CVE-2025-65799 (CVSS 4.3) — A lack of file name validation or verification in the Attachment service of usememos memos v0.25.2 allows atta…
    CVE-2025-65795 (CVSS 7.5) — Incorrect access control in the /api/v1/user endpoint of usememos memos v0.25.2 allows unauthorized attackers …
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    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High