CVE-2026-6634
mediumpriority · track · 0EPSS 0.003 · 17 %ileEUUSEPSS · scored 2026-10-28
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–6.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- GHSA-gqp3-hfc3-8q54Memos has an Incorrect Privilege Assignment issue2026-04-20ghsa · osvUS
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.
- GO-2026-5403Memos has an Incorrect Privilege Assignment issue in github.com/usememos/memos2026-06-25vendor · osvUS
Memos has an Incorrect Privilege Assignment issue in github.com/usememos/memos
also known as (5)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (10)
External citations — patches, advisories, analysis.
- https://github.com/usememos/memos/releasesPatchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2026-6634cnnvd
- https://github.com/Dave-gilmore-aus/security-advisories/blob/main/usememos-security-advisoryenisa_euvd
- https://vuldb.com/submit/793432enisa_euvd
- https://vuldb.com/vuln/358268enisa_euvd
- https://vuldb.com/vuln/358268/ctienisa_euvd
- https://github.com/Dave-gilmore-aus/security-advisories/blob/main/usememos-security-advisorynvd
- https://vuldb.com/submit/793432nvd
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