CVE-2026-124465 Trendyol kafka-konsumer 2.3.3 before 2.6.18 Denial of Service via Batch Consumer Panic
High 7.1
Published
Updated
Check this codebase for CVE-2026-124465 and fix it if it is affected.
What it is: CVE-2026-124465 is a high-severity vulnerability in Trendyol kafka-konsumer, published on 8 Nov 2026.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-124465 exists.
Affected product: Trendyol kafka-konsumer. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-124465/ (Markdown: https://insights.sbomify.com/CVE-2026-124465/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-124465?
CVE-2026-124465 is a high-severity vulnerability in Trendyol kafka-konsumer, published on 8 Nov 2026.
Official description
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.
Weakness: CWE-617
Which versions are affected by CVE-2026-124465?
How do I fix CVE-2026-124465?
No fix has been published for CVE-2026-124465 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-124465 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-124465 exists.
Sources
Also known as GHSA-5hcw-679g-g6cq, GHSA-jjgw-p88q-qrxr.