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TI-2024-27722 Aliases CVE-2024-41659GHSA-p4fx-qf2h-jpmj

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

Priority HIGH 74CWE-942Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub.

Summary

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-origin request, allowing the attacker to read private information or make privileged changes to the system as the vulnerable user account. This vulnerability is fixed in 0.21.0.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00643 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed memos (usememos): 0.21.0github.com/usememos/memos (Go): 0.21.0

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
usememosmemosbefore 0.21.00.21.0Patch availableCNA
—github.com/usememos/memos (Go)before 0.21.00.21.0Patch availableGHSA-p4fx-qf2h-jpmj
  • memos Vendorusememos Affected before 0.21.0 Fixed in 0.21.0 Patch available CNA
  • github.com/usememos/memos (Go) Vendor— Affected before 0.21.0 Fixed in 0.21.0 Patch available GHSA-p4fx-qf2h-jpmj

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:*before 0.21.0Vulnerableusememos
  • cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:* Versions before 0.21.0 Vulnerable ·usememos

Remediation

  • Fix · CNA memos (usememos) Fixed in 0.21.0
  • Fix · GHSA-p4fx-qf2h-jpmj github.com/usememos/memos (Go) Fixed in 0.21.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-41659
  2. 2026-10-03 Alias added: GHSA-p4fx-qf2h-jpmj
  3. 2026-10-21 EPSS moved to the 50th–90th percentile

References

Exploit 1

Patch 1

Advisory 2

Other 2

  • 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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences