CVE-2026-61681: CWE-918: Server-Side Request Forgery (SSRF) in hatchet-dev hatchet
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.
CVE-2026-61681: CWE-918: Server-Side Request Forgery (SSRF) in hatchet-dev hatchet
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.
CVSS v3.1
Score 4.1medium
Affected software
hatchet-dev
hatchet
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-07-10T18:36:58.848Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Is Cloud Service
- true
Threat ID: 6ab1551555bf5e2cf51ebf11
Added to database: 09/21/2026, 16:02:29 UTC
Last updated: 09/21/2026, 16:02:29 UTC
Views: 1
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