CVE-2026-124465

EUVD-2026-119605
Trendyol kafka-konsumer from 2.3.3 before 2.6.18 contains a denial of service vulnerability in batch_consumer.go that panics when a single record exceeds MessageGroupByteSizeLimit. Attackers able to produce to the consumed topic can publish one oversized record that terminates the consumer before offset commit, causing a persistent crash loop.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.5 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://github.com/Trendyol/kafka-konsumer/blob/v2.6.17/batch_consumer.go#L204-L264
https://github.com/Trendyol/kafka-konsumer/commit/a290c08b81c70c2d5d4e1f40e4997eae34306078
https://github.com/Trendyol/kafka-konsumer/releases/tag/v2.6.18
https://github.com/Trendyol/kafka-konsumer/security/advisories/GHSA-jjgw-p88q-qrxr
https://www.vulncheck.com/advisories/trendyol-kafka-konsumer-2.3.3-before-2.6.18-denial-of-service-via-batch-consumer-panic