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3 vulnerabilities by hatchet-dev
CVE-2026-54746 (GCVE-0-2026-54746)
Vulnerability from cvelistv5 – Published: 2026-08-28 16:08 – Updated: 2026-08-28 16:08
VLAI
EPSS
VEX
Title
Hatchet: Cross-tenant write/DoS to other tenants' workers via Dispatcher gRPC UpsertWorkerLabels and Unsubscribe
Summary
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.
Severity
6.4 (Medium)
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/hatchet-dev/hatchet/security/a… | x_refsource_CONFIRM |
| https://github.com/hatchet-dev/hatchet/commit/591… | x_refsource_MISC |
| https://github.com/hatchet-dev/hatchet/releases/t… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| hatchet-dev | hatchet |
Affected:
>= 0.40.0, < 0.91.1
|
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}
],
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"tags": [
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}
],
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"discovery": "UNKNOWN"
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"title": "Hatchet: Cross-tenant write/DoS to other tenants\u0027 workers via Dispatcher gRPC UpsertWorkerLabels and Unsubscribe"
}
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"state": "PUBLISHED"
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CVE-2026-42572 (GCVE-0-2026-42572)
Vulnerability from cvelistv5 – Published: 2026-05-14 16:58 – Updated: 2026-05-15 18:05
VLAI
EPSS
VEX
Title
Hatchet: Cross-tenant information disclosure in `listTasksByDAGIds`
Summary
Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.83.39, a missing authorization directive on the GET /api/v1/stable/dags/tasks endpoint caused Hatchet's tenant-membership check to be skipped for this route. A user authenticated to any tenant on the same Hatchet instance could query the endpoint with another tenant's UUID and a DAG UUID belonging to that tenant, and receive task metadata for that DAG. This vulnerability is fixed in 0.83.39.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-15 16:44 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/hatchet-dev/hatchet/security/a… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| hatchet-dev | hatchet |
Affected:
< 0.83.38
|
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"vendor": "hatchet-dev",
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}
]
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}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
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"description": "CWE-639: Authorization Bypass Through User-Controlled Key",
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}
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"providerMetadata": {
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"discovery": "UNKNOWN"
},
"title": "Hatchet: Cross-tenant information disclosure in `listTasksByDAGIds`"
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CVE-2026-42572 (GCVE-0-2026-42572)
Vulnerability from nvd – Published: 2026-05-14 16:58 – Updated: 2026-05-15 18:05
VLAI
EPSS
VEX
Title
Hatchet: Cross-tenant information disclosure in `listTasksByDAGIds`
Summary
Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.83.39, a missing authorization directive on the GET /api/v1/stable/dags/tasks endpoint caused Hatchet's tenant-membership check to be skipped for this route. A user authenticated to any tenant on the same Hatchet instance could query the endpoint with another tenant's UUID and a DAG UUID belonging to that tenant, and receive task metadata for that DAG. This vulnerability is fixed in 0.83.39.
Severity
5.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-15 16:44 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/hatchet-dev/hatchet/security/a… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| hatchet-dev | hatchet |
Affected:
< 0.83.38
|
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}
],
"metrics": [
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