# Usememos Memos vulnerabilities

Source: https://junglewise.ai/threats/technologies/memos  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 10 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/memos.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 13 vulnerabilities in Usememos Memos: 0 in the last 7 days and 3 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-113601, was published on 20 October 2026. 1 vulnerability in the last four weeks, up from none in the four before.

## Counts

- Last 7 days: 0
- Last 30 days: 1
- Last 90 days: 3
- All time: 13 (1 critical, 0 exploited in the wild)

## About Usememos Memos

An open-source, self-hosted memo hub with a focus on privacy and lightweight note-taking.

## Latest Usememos Memos vulnerabilities

- [CVE-2026-113601: Memos missing authorization in ActivityService API methods](https://junglewise.ai/threats/cve-2026-113601-memos-before-0-27-0-contains-a-missing-authorization) (medium, CVSS 4.3, published 20 Oct 2026)
- [CVE-2026-84203: Memos authentication bypass via unrevorked refresh tokens](https://junglewise.ai/threats/cve-2026-84203-memos-authentication-bypass-via-unrevorked-refresh-tokens) (high, CVSS 8.1, published 1 Sep 2026)
- [CVE-2026-82476: Memos link-metadata fetcher SSRF via missing carrier-grade NAT range](https://junglewise.ai/threats/cve-2026-82476-memos-link-metadata-fetcher-ssrf-via-missing-carrier-grade-nat) (medium, CVSS 5.3, published 29 Aug 2026)
- [CVE-2026-51584: usememos Memos SSO account takeover via identifier mismatch](https://junglewise.ai/threats/cve-2026-51584-usememos-memos-sso-account-takeover-via-identifier-mismatch) (critical, CVSS 9.8, published 11 Aug 2026)
- [CVE-2026-51583: Memos Server-Side Request Forgery in webhook validation](https://junglewise.ai/threats/cve-2026-51583-memos-server-side-request-forgery-in-webhook-validation) (high, CVSS 8.5, published 11 Aug 2026)
- [CVE-2026-30586: usememos Memos HTML injection and UI redressing in SANITIZE_SCHEMA](https://junglewise.ai/threats/cve-2026-30586-usememos-memos-html-injection-and-ui-redressing-in-sanitize) (info, CVSS 7.7, published 2 Jun 2026)
- [CVE-2026-6634: usememos Memos incorrect privilege assignment in UpdateInstanceSetting](https://junglewise.ai/threats/cve-2026-6634-usememos-memos-incorrect-privilege-assignment-in) (medium, CVSS 6.3, published 20 Apr 2026)
- [CVE-2025-65799: usememos memos path traversal in Attachment service](https://junglewise.ai/threats/cve-2025-65799-usememos-memos-path-traversal-in-attachment-service) (medium, CVSS 4.3, published 8 Dec 2025)
- [CVE-2025-65797: usememos memos broken access control in Identity Provider service](https://junglewise.ai/threats/cve-2025-65797-usememos-memos-broken-access-control-in-identity-provider-service) (medium, CVSS 6.5, published 8 Dec 2025)
- [CVE-2025-65795: usememos memos incorrect access control in user registration API](https://junglewise.ai/threats/cve-2025-65795-usememos-memos-incorrect-access-control-in-user-registration-api) (high, CVSS 7.5, published 8 Dec 2025)
- [CVE-2025-65798: usememos memos incorrect access control in attachments](https://junglewise.ai/threats/cve-2025-65798-usememos-memos-incorrect-access-control-in-attachments) (medium, CVSS 5.4, published 8 Dec 2025)
- [CVE-2025-65796: usememos memos incorrect access control in Reaction service](https://junglewise.ai/threats/cve-2025-65796-usememos-memos-incorrect-access-control-in-reaction-service) (medium, CVSS 4.3, published 8 Dec 2025)
- [CVE-2024-21635: GO-2025-4127 - Memos' Access Tokens Stay Valid after User Password Change in github.com/usememos/memos](https://junglewise.ai/threats/cve-2024-21635-memos-access-tokens-stay-valid-after-user-password-change) (high, CVSS 7.5, published 14 Nov 2025)

## Most severe Usememos Memos vulnerabilities

- [CVE-2026-51584: usememos Memos SSO account takeover via identifier mismatch](https://junglewise.ai/threats/cve-2026-51584-usememos-memos-sso-account-takeover-via-identifier-mismatch) (critical, CVSS 9.8, published 11 Aug 2026)
- [CVE-2026-51583: Memos Server-Side Request Forgery in webhook validation](https://junglewise.ai/threats/cve-2026-51583-memos-server-side-request-forgery-in-webhook-validation) (high, CVSS 8.5, published 11 Aug 2026)
- [CVE-2026-84203: Memos authentication bypass via unrevorked refresh tokens](https://junglewise.ai/threats/cve-2026-84203-memos-authentication-bypass-via-unrevorked-refresh-tokens) (high, CVSS 8.1, published 1 Sep 2026)
- [CVE-2024-21635: GO-2025-4127 - Memos' Access Tokens Stay Valid after User Password Change in github.com/usememos/memos](https://junglewise.ai/threats/cve-2024-21635-memos-access-tokens-stay-valid-after-user-password-change) (high, CVSS 7.5, published 14 Nov 2025)
- [CVE-2025-65795: usememos memos incorrect access control in user registration API](https://junglewise.ai/threats/cve-2025-65795-usememos-memos-incorrect-access-control-in-user-registration-api) (high, CVSS 7.5, published 8 Dec 2025)
- [CVE-2025-65797: usememos memos broken access control in Identity Provider service](https://junglewise.ai/threats/cve-2025-65797-usememos-memos-broken-access-control-in-identity-provider-service) (medium, CVSS 6.5, published 8 Dec 2025)
- [CVE-2026-6634: usememos Memos incorrect privilege assignment in UpdateInstanceSetting](https://junglewise.ai/threats/cve-2026-6634-usememos-memos-incorrect-privilege-assignment-in) (medium, CVSS 6.3, published 20 Apr 2026)
- [CVE-2025-65798: usememos memos incorrect access control in attachments](https://junglewise.ai/threats/cve-2025-65798-usememos-memos-incorrect-access-control-in-attachments) (medium, CVSS 5.4, published 8 Dec 2025)
- [CVE-2026-82476: Memos link-metadata fetcher SSRF via missing carrier-grade NAT range](https://junglewise.ai/threats/cve-2026-82476-memos-link-metadata-fetcher-ssrf-via-missing-carrier-grade-nat) (medium, CVSS 5.3, published 29 Aug 2026)
- [CVE-2025-65799: usememos memos path traversal in Attachment service](https://junglewise.ai/threats/cve-2025-65799-usememos-memos-path-traversal-in-attachment-service) (medium, CVSS 4.3, published 8 Dec 2025)

## Vulnerabilities per week

1 vulnerability in the last four weeks, up from none in the four before.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 1 | 0 | 0 |
| 31 Aug 2026 | 1 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 1 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Usememos Memos vulnerabilities", https://junglewise.ai/threats/technologies/memos, 10 November 2026.
