{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54746", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T23:12:41.964Z", "datePublished": "2026-08-28T16:08:37.816Z", "dateUpdated": "2026-08-28T20:20:37.452Z"}, "containers": {"cna": {"title": "Hatchet: Cross-tenant write/DoS to other tenants' workers via Dispatcher gRPC UpsertWorkerLabels and Unsubscribe", "problemTypes": [{"descriptions": [{"cweId": "CWE-639", "lang": "en", "description": "CWE-639: Authorization Bypass Through User-Controlled Key", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-862", "lang": "en", "description": "CWE-862: Missing Authorization", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L", "version": "3.1"}}], "references": [{"name": "https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-8x7x-83cf-c3pg", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-8x7x-83cf-c3pg"}, {"name": "https://github.com/hatchet-dev/hatchet/commit/591a30deb8b80f02eba7014997de387d710986c9", "tags": ["x_refsource_MISC"], "url": "https://github.com/hatchet-dev/hatchet/commit/591a30deb8b80f02eba7014997de387d710986c9"}, {"name": "https://github.com/hatchet-dev/hatchet/releases/tag/v0.91.1", "tags": ["x_refsource_MISC"], "url": "https://github.com/hatchet-dev/hatchet/releases/tag/v0.91.1"}], "affected": [{"vendor": "hatchet-dev", "product": "hatchet", "versions": [{"version": ">= 0.40.0, < 0.91.1", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-28T16:08:37.816Z"}, "descriptions": [{"lang": "en", "value": "Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. From 0.40.0 until 0.91.1, the Dispatcher gRPC service does not verify that a request's worker ID belongs to the tenant identified by the bearer-token context in Dispatcher/UpsertWorkerLabels and Dispatcher/Unsubscribe. An authenticated owner of any tenant who guesses another tenant's worker UUID can overwrite that worker's affinity labels or disconnect the worker from the dispatcher. This can cause cross-tenant integrity impact and denial of service on multi-tenant Hatchet Cloud or shared self-hosted deployments. Single-tenant deployments are not practically affected because the attacker and target tenant are the same. This issue is fixed in version 0.91.1."}], "source": {"advisory": "GHSA-8x7x-83cf-c3pg", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-08-28T20:20:26.098726Z", "id": "CVE-2026-54746", "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": "2026-08-28T20:20:37.452Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-54746", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-08-28T20:20:26.098726Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-28T20:20:32.403Z"}}], "cna": {"title": "Hatchet: Cross-tenant write/DoS to other tenants' workers via Dispatcher gRPC UpsertWorkerLabels and Unsubscribe", "source": {"advisory": "GHSA-8x7x-83cf-c3pg", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}}], "affected": [{"vendor": "hatchet-dev", "product": "hatchet", "versions": [{"status": "affected", "version": ">= 0.40.0, < 0.91.1"}]}], "references": [{"url": "https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-8x7x-83cf-c3pg", "name": "https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-8x7x-83cf-c3pg", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/hatchet-dev/hatchet/commit/591a30deb8b80f02eba7014997de387d710986c9", "name": "https://github.com/hatchet-dev/hatchet/commit/591a30deb8b80f02eba7014997de387d710986c9", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/hatchet-dev/hatchet/releases/tag/v0.91.1", "name": "https://github.com/hatchet-dev/hatchet/releases/tag/v0.91.1", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. From 0.40.0 until 0.91.1, the Dispatcher gRPC service does not verify that a request's worker ID belongs to the tenant identified by the bearer-token context in Dispatcher/UpsertWorkerLabels and Dispatcher/Unsubscribe. An authenticated owner of any tenant who guesses another tenant's worker UUID can overwrite that worker's affinity labels or disconnect the worker from the dispatcher. This can cause cross-tenant integrity impact and denial of service on multi-tenant Hatchet Cloud or shared self-hosted deployments. Single-tenant deployments are not practically affected because the attacker and target tenant are the same. This issue is fixed in version 0.91.1."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-639", "description": "CWE-639: Authorization Bypass Through User-Controlled Key"}]}, {"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-862", "description": "CWE-862: Missing Authorization"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-08-28T16:08:37.816Z"}}}, "cveMetadata": {"cveId": "CVE-2026-54746", "state": "PUBLISHED", "dateUpdated": "2026-08-28T20:20:37.452Z", "dateReserved": "2026-06-15T23:12:41.964Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-08-28T16:08:37.816Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "hatchet", "vendor": "hatchet-dev", "versions": [{"status": "affected", "version": ">= 0.40.0, < 0.91.1"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. From 0.40.0 until 0.91.1, the Dispatcher gRPC service does not verify that a request's worker ID belongs to the tenant identified by the bearer-token context in Dispatcher/UpsertWorkerLabels and Dispatcher/Unsubscribe. An authenticated owner of any tenant who guesses another tenant's worker UUID can overwrite that worker's affinity labels or disconnect the worker from the dispatcher. This can cause cross-tenant integrity impact and denial of service on multi-tenant Hatchet Cloud or shared self-hosted deployments. Single-tenant deployments are not practically affected because the attacker and target tenant are the same. This issue is fixed in version 0.91.1."}], "id": "CVE-2026-54746", "lastModified": "2026-08-28T22:16:49.850", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "[email protected]", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54746", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-08-28T20:20:26.098726Z", "version": "2.0.3"}}]}, "published": "2026-08-28T20:18:17.390", "references": [{"source": "[email protected]", "url": "https://github.com/hatchet-dev/hatchet/commit/591a30deb8b80f02eba7014997de387d710986c9"}, {"source": "[email protected]", "url": "https://github.com/hatchet-dev/hatchet/releases/tag/v0.91.1"}, {"source": "[email protected]", "url": "https://github.com/hatchet-dev/hatchet/security/advisories/GHSA-8x7x-83cf-c3pg"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}, {"lang": "en", "value": "CWE-862"}], "source": "[email protected]", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.40.0,0.91.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "hatchet", "source": "cna", "vendor": "hatchet-dev"}, "product": "hatchet", "vendor": "hatchet-dev"}], "created": "2026-08-28T21:15:03.188513+00:00", "updated": "2026-08-28T21:15:03.454598+00:00", "vendors": ["hatchet-dev", "hatchet-dev$PRODUCT$hatchet"]}