CVE-2026-108755
Hatchet through 0.110.5 Unauthenticated Memory Exhaustion via SNS Ingestion Endpoint
hatchet-dev hatchet
CVSS
6.9MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.32%Chance of exploitation activity in the next 30 days, higher than 23% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 1
- hatchetaffected: all versions through 0.110.5CVE List
References 5
- hackmd.io/@haind03/hatchet-public-sns-unbounded-body-before-signature-dosAdvisoryvia CVE List
- vulncheck.com/advisories/hatchet-through-0.110.5-unauthenticated-memory-exhaustion-via-sns-ingestion-endpointAdvisoryvia CVE List
- github.com/hatchet-dev/hatchet/blob/56c617e0da399bc9d8a10d2ba74b4950f8a950b8/api/v1/server/handlers/ingestors/sns.go#L15-L32Referencevia CVE List
- github.com/hatchet-dev/hatchet/blob/56c617e0da399bc9d8a10d2ba74b4950f8a950b8/api/v1/server/middleware/ratelimit/ratelimit.go#L33-L49Referencevia CVE List
- github.com/hatchet-dev/hatchetReferencevia CVE List