{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53536", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-09T18:13:07.262Z", "datePublished": "2026-07-16T18:48:30.875Z", "dateUpdated": "2026-07-16T18:48:30.875Z"}, "containers": {"cna": {"title": "Activepieces: Cross-tenant file download via missing JWT audience check on step-files signed URL", "problemTypes": [{"descriptions": [{"cweId": "CWE-345", "lang": "en", "description": "CWE-345: Insufficient Verification of Data Authenticity", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"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", "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", "version": "4.0"}}], "references": [{"name": "https://github.com/activepieces/activepieces/security/advisories/GHSA-9723-fmff-mc24", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/activepieces/activepieces/security/advisories/GHSA-9723-fmff-mc24"}, {"name": "https://github.com/activepieces/activepieces/commit/2cb6148010a6c2a22900f4c8b08d75cc5c921d1c", "tags": ["x_refsource_MISC"], "url": "https://github.com/activepieces/activepieces/commit/2cb6148010a6c2a22900f4c8b08d75cc5c921d1c"}, {"name": "https://github.com/activepieces/activepieces/commit/afe852f60e39fcc6273d41e11f0765586b5a0e49", "tags": ["x_refsource_MISC"], "url": "https://github.com/activepieces/activepieces/commit/afe852f60e39fcc6273d41e11f0765586b5a0e49"}, {"name": "https://github.com/activepieces/activepieces/releases/tag/0.83.0", "tags": ["x_refsource_MISC"], "url": "https://github.com/activepieces/activepieces/releases/tag/0.83.0"}], "affected": [{"vendor": "activepieces", "product": "activepieces", "versions": [{"version": "< 0.83.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-16T18:48:30.875Z"}, "descriptions": [{"lang": "en", "value": "Activepieces is an open source AI workflow automation platform. Prior to 0.83.0, the /v1/step-files/signed download endpoint verified the supplied JWT against the shared signing secret but did not check the token's audience, and combined with a missing null-check on the decoded fileId, this allowed any caller holding any valid Activepieces JWT (including a freshly created user's own access token) to receive a step-file belonging to another tenant. The file returned was whatever PostgreSQL happened to scan first for type = FLOW_STEP_FILE, varying over time as the database changed, so an authenticated user could obtain step-file attachments belonging to other tenants on the same instance; the attacker could not target a specific victim or file, and the access was read-only with no integrity or availability impact. This issue is fixed in version 0.83.0."}], "source": {"advisory": "GHSA-9723-fmff-mc24", "discovery": "UNKNOWN"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.83.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "activepieces", "source": "cna", "vendor": "activepieces"}, "product": "activepieces", "vendor": "activepieces"}], "created": "2026-07-16T20:30:05.164744+00:00", "updated": "2026-07-16T20:30:05.164766+00:00", "vendors": ["activepieces", "activepieces$PRODUCT$activepieces"]}