Hatchet: SSRF via Unsigned UnsubscribeURL in SNS UnsubscribeConfirmation Handler
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| hatchet-dev | hatchet | affected |
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| Hatchet-dev | Hatchet |
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| Source | ID | Title |
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Github GHSA |
GHSA-fjwv-jf2v-j499 | Hatchet: SSRF via Unsigned UnsubscribeURL in SNS UnsubscribeConfirmation Handler |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.311% probability within 30 days)
| Type | Values Removed | Values Added |
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| Metrics |
ssvc
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| First Time appeared |
Hatchet-dev
Hatchet-dev hatchet |
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| Vendors & Products |
Hatchet-dev
Hatchet-dev hatchet |
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| Description | Hatchet is a platform for orchestrating background tasks, AI agents, and durable workflows at scale. Prior to 0.91.1, the SNS UnsubscribeConfirmation handler in internal/integrations/ingestors/sns/sns.go calls http.Get() on payload.UnsubscribeURL after VerifyPayload() even though BuildSignature() excludes UnsubscribeURL, allowing an authenticated Hatchet tenant to replace that field in an otherwise valid AWS-signed message with an internal URL. The server-side request can reach EC2 Instance Metadata Service, internal services, and internal HTTP APIs, potentially exposing IAM credentials or network-accessible data and functionality. This issue is fixed in version 0.91.1. | |
| Title | Hatchet: SSRF via Unsigned UnsubscribeURL in SNS UnsubscribeConfirmation Handler | |
| Weaknesses | CWE-918 | |
| References |
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| Metrics |
cvssV3_1
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