CVE-2026-6634

EUVD-2026-23838
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 authorization. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulDBCNA
6.3 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
usememosmemos
0.22.0
CNA
usememosmemos
0.22.1
CNA
Common Weakness Enumeration
References
https://github.com/Dave-gilmore-aus/security-advisories/blob/main/usememos-security-advisory
https://vuldb.com/submit/793432
https://vuldb.com/vuln/358268
https://vuldb.com/vuln/358268/cti