CVE-2026-6634: medium-severity vulnerability in usememos memos
usememos UpdateInstanceSetting App.tsx memos_access_token improper authorization
Published
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33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.3%
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:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
Affected products
usememos · memospublic PoCs found — 1
cve_referencegithub.com/Dave-gilmore-aus/security-advisories/blob/main/usememos-security-advisoryunverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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