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TI-2025-40446 Aliases CVE-2025-65795GHSA-mg56-wc4q-rw4w

Incorrect access control in the /api/v1/user endpoint of usememos memos v0.25.2 allows…

Priority HIGH 72CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-284.

Summary

Incorrect access control in the /api/v1/user endpoint of usememos memos v0.25.2 allows unauthorized attackers to create arbitrary accounts via a crafted request.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00257 17th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed github.com/usememos/memos (Go): 0.25.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—github.com/usememos/memos (Go)before 0.25.30.25.3Patch availableGHSA-mg56-wc4q-rw4w
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/usememos/memos (Go) Vendor— Affected before 0.25.3 Fixed in 0.25.3 Patch available GHSA-mg56-wc4q-rw4w

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:usememos:memos:0.25.2:*:*:*:*:*:*:*0.25.2Vulnerableusememos
  • cpe:2.3:a:usememos:memos:0.25.2:*:*:*:*:*:*:* Versions 0.25.2 Vulnerable ·usememos

Remediation

  • Fix · GHSA-mg56-wc4q-rw4w github.com/usememos/memos (Go) Fixed in 0.25.3 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-65795
  2. 2026-10-03 Alias added: GHSA-mg56-wc4q-rw4w

References

  • TI-2025-32234 The Memos application, up to version v0.24.3, allows for the embedding of markdown images… CVSS 3.1CRITICAL 9.8
  • TI-2025-16796 elestio memos v0.23.0 is vulnerable to Server-Side Request Forgery (SSRF) due to… CVSS 3.1CRITICAL 9.8
  • TI-2023-04328 Improper Access Control in usememos/memos CVSS 3.1CRITICAL 9.8
  • TI-2022-04459 Cross-site Scripting (XSS) - Stored in usememos/memos CVSS 3.1CRITICAL 9.0
  • TI-2022-04458 Cross-site Scripting (XSS) - Stored in usememos/memos CVSS 3.1CRITICAL 9.0
  • TI-2022-04283 Authorization Bypass Through User-Controlled Key in usememos/memos CVSS 3.1CRITICAL 9.8
See all 72 →

Sources