CVE-2026-108755— Hatchet through 0.110.5 Unauthenticated Memory Exhaustion via SNS Ingestion Endpoint
Quick assessment
Affected
hatchet-dev hatchet
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Hatchet 0.110.5 版本存在资源分配无限制漏洞，允许未认证的攻击者通过 SNS 摄取（ingestion）端点耗尽内存。攻击者可以向 发送任意大或并发的请求体，并使用任意 UUID。SnsUpdate 处理器会在进行签名验证之前对这些请求体进行缓冲，从而导致系统可用性下降。
Possible ATT&CK Techniques 1 AI
T1496 · Resource HijackingAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| hatchet-dev | hatchet | ≤ 0.110.5 |
affected |
Get alerts for future matching vulnerabilities
Log in to subscribe
I. Basic Information for CVE-2026-108755
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗
Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Hatchet through 0.110.5 Unauthenticated Memory Exhaustion via SNS Ingestion Endpoint
Source: CVE Program / CVE List V5
Vulnerability Description
Hatchet through 0.110.5 contains an allocation of resources without limits vulnerability that allows unauthenticated attackers to exhaust memory via the SNS ingestion endpoint. Attackers can send arbitrarily large or concurrent request bodies to POST /api/v1/sns/{tenant}/{event} with any UUID, which the SnsUpdate handler buffers before signature verification, degrading availability.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| hatchet-dev | hatchet | 0 ~ 0.110.5 | - |
|
II. Public POCs for CVE-2026-108755
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Premium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2026-108755
请登录查看更多情报信息。
Vendor Advisories for CVE-2026-108755 (1)
Security Blog Posts for CVE-2026-108755 (1)
Other References for CVE-2026-108755 (2)
IV. Related Vulnerabilities
Same product: hatchet
-
CVE-2026-88978
Hatchet DurableTask WorkerStatus gRPC resolves caller-suppli -
CVE-2026-84298
Hatchet: Cross-tenant durable callback payload disclosure in -
CVE-2026-61687
hatchet - Unauthenticated OAuth state CSRF / login-CSRF via -
CVE-2026-63342
Hatchet: Cross-Tenant Durable Task Event Log Disclosure via -
CVE-2026-61681
Hatchet: SSRF via Unsigned UnsubscribeURL in SNS Unsubscribe
Same vendor: hatchet-dev
-
CVE-2026-88978
Hatchet DurableTask WorkerStatus gRPC resolves caller-suppli -
CVE-2026-84298
Hatchet: Cross-tenant durable callback payload disclosure in -
CVE-2026-61687
hatchet - Unauthenticated OAuth state CSRF / login-CSRF via -
CVE-2026-63342
Hatchet: Cross-Tenant Durable Task Event Log Disclosure via -
CVE-2026-61681
Hatchet: SSRF via Unsigned UnsubscribeURL in SNS Unsubscribe
Same weakness: CWE-770
-
CVE-2026-108768
zhayujie CowAgent Streaming Tool-Call Argument json.loads al -
CVE-2026-108859
mcp-go through 1.2.1 Denial of Service via Unbounded POST Bo -
CVE-2026-108714
MCP Kotlin SDK through 0.15.0 Memory Exhaustion via Applicat -
CVE-2026-102554
Denial of Service via Eager Array Allocation During Deserial -
CVE-2026-87110
Ops Manager Uncontrolled Resource Consumption in Monitoring
V. Comments for CVE-2026-108755
No comments yet