{ "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": "2026-10-23T01:44:39.769Z" }, "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" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-10-23T01:44:29.210876Z", "id": "CVE-2026-113601", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-23T01:44:39.769Z" } } ] } }