{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-113601", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-10-20T11:48:48.640Z", "datePublished": "2026-10-20T15:40:28.941Z", "dateUpdated": "2026-10-20T15:40:28.941Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-10-20T15:40:28.941Z"}, "datePublic": "2026-02-22T17:51:46.000Z", "title": "Memos before 0.27.0 Missing Authorization via ActivityService ListActivities/GetActivity", "descriptions": [{"lang": "en", "value": "Memos before 0.27.0 contains a missing authorization vulnerability in the ActivityService ListActivities and GetActivity API methods that allows authenticated users to view all users' activity records. Low-privileged attackers can enumerate sequential activity IDs to obtain creator IDs, timestamps, and memo-comment references, including activity on other users' private memos."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Missing Authorization", "cweId": "CWE-862", "type": "CWE"}]}], "affected": [{"vendor": "usememos", "product": "memos", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThan": "0.27.0", "status": "affected", "versionType": "semver"}], "packageURL": "pkg:golang/github.com/usememos/memos", "repo": "https://github.com/usememos/memos"}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:usememos:memos:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.27.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/usememos/memos/issues/5651", "tags": ["issue-tracking"]}, {"url": "https://github.com/usememos/memos/commit/04f239a2fc74f7090c779a6a7b8a08238fd31b88", "tags": ["patch"]}, {"url": "https://github.com/usememos/memos/releases/tag/v0.27.0", "tags": ["release-notes"], "name": "memos v0.27.0 Release Notes"}, {"url": "https://github.com/usememos/memos/blob/v0.26.2/server/router/api/v1/activity_service.go", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: Memos before 0.27.0 Missing Authorization via ActivityService ListActivities/GetActivity", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/memos-before-0.27.0-missing-authorization-via-activityservice-listactivities-getactivity"}], "credits": [{"lang": "en", "value": "lighthousekeeper1212", "type": "finder"}, {"lang": "en", "value": "leediay153 from Viettel Post", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.27.0)"}}], "enrichment": {"confidence": 90.0, "confidence_source": "inferred", "scores": [{"score": 90.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "memos", "source": "cna", "vendor": "usememos"}, "product": "memos", "vendor": "usememos"}], "created": "2026-10-20T16:45:13.876403+00:00", "updated": "2026-10-20T17:30:13.831323+00:00", "vendors": ["usememos", "usememos$PRODUCT$memos"]}