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CVE-2026-108755

5.3 · MEDIUM

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.

Published Oct 11, 2026CWE-770EPSS 0.32%

Overview

CVE-2026-108755 is a medium-severity vulnerability. It was published on October 11, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/hatchet-dev/hatchetGitHubgithub.com/hatchet-dev/hatchet/blob/56c617e0da399bc9d8a10d2ba74b4950f8a950b8/api/v1/server/handlers/ingestors/sns.go#L15-L32GitHubgithub.com/hatchet-dev/hatchet/blob/56c617e0da399bc9d8a10d2ba74b4950f8a950b8/api/v1/server/middleware/ratelimit/ratelimit.go#L33-L49Refhackmd.io/@haind03/hatchet-public-sns-unbounded-body-before-signature-dosRefwww.vulncheck.com/advisories/hatchet-through-0.110.5-unauthenticated-memory-exhaustion-via-sns-ingestion-endpoint

How CyberStrike helps

Frequently asked questions

What is CVE-2026-108755?

CVE-2026-108755 is a medium-severity vulnerability. It was published on October 11, 2026 and has a CVSS 3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-108755?

This vulnerability has a CVSS 3.1 base score of 5.3, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2026-108755?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-108755?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-108755 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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