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Product · usememos

memos

11 known vulnerabilities.

memos at a glance

Last 12 months
7
Critical · all time
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0 3 5 December 2025: 0 vulnerabilities Dec 2025 January 2026: 0 vulnerabilities February 2026: 0 vulnerabilities March 2026: 0 vulnerabilities Mar April 2026: 1 vulnerability May 2026: 0 vulnerabilities June 2026: 0 vulnerabilities Jun July 2026: 0 vulnerabilities August 2026: 3 vulnerabilities September 2026: 1 vulnerability Sep October 2026: 1 vulnerability November 2026: 0 vulnerabilities
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11 results · Feed

  • Medium 4.3

    Memos before 0.27.0 Missing Authorization via ActivityService ListActivities/GetActivity

    Memos before 0.27.0 contains a missing authorization vulnerability in the ActivityService ListActivities and GetActivity API methods that allows authenticated users to view all users' activity records. Low-privileged attackers can enumerate sequential activit…

  • High 8.1

    Memos 0.26.0 through 0.30.0 Insufficient Session Expiration on Password Change

    Memos versions 0.26.0 through 0.30.0 fail to revoke refresh tokens when a user changes their password, allowing attackers to maintain account access. An attacker with a stolen refresh token can call the RefreshToken RPC to obtain new access tokens and rotate …

  • Medium 5.3

    Memos through 0.30.0 SSRF via Omitted CGNAT Address Range

    Memos through 0.30.0 omits the 100.64.0.0/10 carrier-grade NAT address range from SSRF protection in its link-metadata fetcher, allowing unauthenticated attackers to bypass IP validation. Attackers can make the server request internal hosts in that range incl…

  • High 8.5

    Memos Webhook DNS Rebinding TOCTOU SSRF in safeDialContext()

    Memos' webhook dispatch function safeDialContext (internal/webhook/webhook.go) resolves the target hostname via net.DefaultResolver.LookupHost and validates the resulting IPs against reserved ranges, but then dials net.JoinHostPort(host, port) using the origi…

  • High 8.5

    Memos Webhook SSRF via 0.0.0.0 Reserved-IP Bypass

    Memos' webhook URL validation, isReservedIP (internal/webhook/validate.go), checks a candidate IP against a reservedCIDRs list that omits 0.0.0.0/8 and never calls ip.IsUnspecified — unlike the correctly implemented sibling function isInternalIP in internal/h…

  • Medium 6.3

    usememos UpdateInstanceSetting App.tsx memos_access_token improper authorization

    A weakness has been identified in usememos memos up to 0.22.1. This affects the function memos_access_token of the file src/App.tsx of the component UpdateInstanceSetting. This manipulation of the argument additionalStyle/additionalScript causes improper auth…

  • High 7.1

    Memos Access Tokens Stay Valid after User Password Change

    Memos is a privacy-first, lightweight note-taking service that uses Access Tokens to authenticate application access. When a user changes their password, the existing list of Access Tokens stay valid instead of expiring. If a user finds that their account has…

  • High 8.1

    GHSL-2024-034: memos CORS Misconfiguration in server.go

    memos is a privacy-first, lightweight note-taking service. A CORS misconfiguration exists in memos 0.20.1 and earlier where an arbitrary origin is reflected with Access-Control-Allow-Credentials set to true. This may allow an attacking website to make a cross…

  • Medium 6.1
    CVE-2024-29029 Scanner template

    memos vulnerable to an SSRF in /o/get/image

    memos is a privacy-first, lightweight note-taking service. In memos 0.13.2, an SSRF vulnerability exists at the /o/get/image that allows unauthenticated users to enumerate the internal network and retrieve images. The response from the image request is then c…

  • Medium 5.8
    CVE-2024-29028 Scanner template

    memos vulnerable to an SSRF in /o/get/httpmeta

    memos is a privacy-first, lightweight note-taking service. In memos 0.13.2, an SSRF vulnerability exists at the /o/get/httpmeta that allows unauthenticated users to enumerate the internal network and receive limited html values in json form. This vulnerabilit…

  • Medium 5.8
    CVE-2024-29030 Scanner template

    memos vulnerable to an SSRF in /api/resource

    memos is a privacy-first, lightweight note-taking service. In memos 0.13.2, an SSRF vulnerability exists at the /api/resource that allows authenticated users to enumerate the internal network. Version 0.22.0 of memos removes the vulnerable file.