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CVE-2026-27695

zae-limiter: DynamoDB hot partition throttling enables per-entity Denial of Service PUBLISHED

Description (CNA)

zae-limiter is a rate limiting library using the token bucket algorithm. Prior to version 0.10.1, all rate limit buckets for a single entity share the same DynamoDB partition key (`namespace/ENTITY#{id}`). A high-traffic entity can exceed DynamoDB's per-partition throughput limits (~1,000 WCU/sec), causing throttling that degrades service for that entity — and potentially co-located entities in the same partition. Version 0.10.1 fixes the issue.

Affected (CNA)

Vendor / productVersions
zeroae / zae-limiteraffected < 0.10.1

CWE

CWE-770

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.