{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53577", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-09T19:11:53.484Z", "datePublished": "2026-06-26T20:52:04.006Z", "dateUpdated": "2026-06-27T03:15:44.579Z"}, "containers": {"cna": {"title": "Kestra: Cross-Execution File Read via Preview Endpoint (IDOR)", "problemTypes": [{"descriptions": [{"cweId": "CWE-863", "lang": "en", "description": "CWE-863: Incorrect Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/kestra-io/kestra/security/advisories/GHSA-r6v3-xxwj-9h42", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/kestra-io/kestra/security/advisories/GHSA-r6v3-xxwj-9h42"}], "affected": [{"vendor": "kestra-io", "product": "kestra", "versions": [{"version": "< 1.0.45", "status": "affected"}, {"version": ">= 1.1.0, < 1.3.21", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-26T20:53:29.778Z"}, "descriptions": [{"lang": "en", "value": "Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the previewFileFromExecution endpoint (GET /api/v1/{tenant}/executions/{executionId}/file/preview) contains an access control bypass that allows any authenticated user to read output files from any other execution within the same tenant, bypassing execution-level and namespace-level isolation. This vulnerability is fixed in 1.0.45 and 1.3.21."}], "source": {"advisory": "GHSA-r6v3-xxwj-9h42", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/kestra-io/kestra/security/advisories/GHSA-r6v3-xxwj-9h42", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-27T03:15:19.214267Z", "id": "CVE-2026-53577", "options": [{"Exploitation": "poc"}, {"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": "2026-06-27T03:15:44.579Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-53577", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-27T03:15:19.214267Z"}}}], "references": [{"url": "https://github.com/kestra-io/kestra/security/advisories/GHSA-r6v3-xxwj-9h42", "tags": ["exploit"]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-27T03:15:39.393Z"}}], "cna": {"title": "Kestra: Cross-Execution File Read via Preview Endpoint (IDOR)", "source": {"advisory": "GHSA-r6v3-xxwj-9h42", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "kestra-io", "product": "kestra", "versions": [{"status": "affected", "version": "< 1.0.45"}, {"status": "affected", "version": ">= 1.1.0, < 1.3.21"}]}], "references": [{"url": "https://github.com/kestra-io/kestra/security/advisories/GHSA-r6v3-xxwj-9h42", "name": "https://github.com/kestra-io/kestra/security/advisories/GHSA-r6v3-xxwj-9h42", "tags": ["x_refsource_CONFIRM"]}], "descriptions": [{"lang": "en", "value": "Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the previewFileFromExecution endpoint (GET /api/v1/{tenant}/executions/{executionId}/file/preview) contains an access control bypass that allows any authenticated user to read output files from any other execution within the same tenant, bypassing execution-level and namespace-level isolation. This vulnerability is fixed in 1.0.45 and 1.3.21."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-863", "description": "CWE-863: Incorrect Authorization"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-26T20:53:29.778Z"}}}, "cveMetadata": {"cveId": "CVE-2026-53577", "state": "PUBLISHED", "dateUpdated": "2026-06-27T03:15:44.579Z", "dateReserved": "2026-06-09T19:11:53.484Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-06-26T20:52:04.006Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "kestra", "vendor": "kestra-io", "versions": [{"status": "affected", "version": "< 1.0.45"}, {"status": "affected", "version": ">= 1.1.0, < 1.3.21"}]}], "source": "[email protected]"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:kestra:kestra:*:*:*:*:*:*:*:*", "matchCriteriaId": "ADC0ED79-69EF-4A2A-9F07-4791ED97124F", "versionEndExcluding": "1.0.45", "vulnerable": true}, {"criteria": "cpe:2.3:a:kestra:kestra:*:*:*:*:*:*:*:*", "matchCriteriaId": "73FD0092-9076-4F1C-9B93-E59C09D30E21", "versionEndExcluding": "1.3.21", "versionStartIncluding": "1.1.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the previewFileFromExecution endpoint (GET /api/v1/{tenant}/executions/{executionId}/file/preview) contains an access control bypass that allows any authenticated user to read output files from any other execution within the same tenant, bypassing execution-level and namespace-level isolation. This vulnerability is fixed in 1.0.45 and 1.3.21."}], "id": "CVE-2026-53577", "lastModified": "2026-07-01T12:38:31.270", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "[email protected]", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53577", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-06-27T03:15:19.214267Z", "version": "2.0.3"}}]}, "published": "2026-06-26T22:16:32.967", "references": [{"source": "[email protected]", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/kestra-io/kestra/security/advisories/GHSA-r6v3-xxwj-9h42"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/kestra-io/kestra/security/advisories/GHSA-r6v3-xxwj-9h42"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-863"}], "source": "[email protected]", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,1.0.45)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[1.1.0,1.3.21)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "kestra", "source": "cna", "vendor": "kestra-io"}, "product": "kestra", "vendor": "kestra-io"}], "created": "2026-06-26T23:00:09.550846+00:00", "updated": "2026-06-27T02:30:03.298886+00:00", "vendors": ["kestra-io", "kestra-io$PRODUCT$kestra"]}