Medium 6.3Published Apr 20, 2026

CVE-2026-6634usememos UpdateInstanceSetting App.tsx memos_access_token improper authorization

Updated under an hour ago (Oct 28, 2026, 7:40 AM ET)

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No exploitation reported and no EPSS estimate yet.

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Every CVE for usememos memos

Exploited in the last 30 days

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.

CVSS: 6.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-285, CWE-266
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Deferred
Record last updated: Apr 20, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

usememos memos usememos:memos	0.22.0; 0.22.1	CNA record

References

References

https://vuldb.com/vuln/358268	vdb-entry, technical-description
https://vuldb.com/vuln/358268/cti	signature, permissions-required
https://vuldb.com/submit/793432	third-party-advisory
https://github.com/Dave-gilmore-aus/security-advisories/blob/main/usememos-security-advisory	exploit

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.