CVE-2026-109405 conductor-oss conductor KafkaPublishTask.java KafkaPublishTask.start server-side request forgery
Remote attackers can exploit a server-side request forgery vulnerability in the KafkaPublishTask to access internal resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-109405?
CVE-2026-109405 is a medium-severity server-side request forgery vulnerability in conductor-oss conductor, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A security flaw has been discovered in conductor-oss conductor up to 3.33.0-rc10. This affects the function KafkaPublishTask.start of the file kafka/src/main/java/com/netflix/conductor/contribs/tasks/kafka/KafkaPublishTask.java. The manipulation of the argument kafka_request.bootStrapServers results in server-side request forgery. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
Weakness: CWE-918
Which versions are affected by CVE-2026-109405?
How do I fix CVE-2026-109405?
No fix has been published for CVE-2026-109405 yet. Limit exposure of the affected software until one is available.
Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.
Is CVE-2026-109405 being exploited?
There is no known exploitation of CVE-2026-109405 in the wild and no public exploit code.
Sources
Also known as GHSA-8q7f-vg4q-39mm.