CVE-2026-41726Disclosure(vmware / spring_for_apache_kafka)

LOWCVSS 6.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

When an application opts into DelegatingDeserializer, a producer can grow the consumer's heap without bound by sending records with unique random spring.kafka.serialization.selector header values, eventually causing GC thrash and OutOfMemoryError. Affected versions: Spring for Apache Kafka 4.0.0 through 4.0.5; 3.3.0 through 3.3.15; 3.2.0 through 3.2.13; 2.9.0 through 2.9.13; 2.8.0 through 2.8.11.

0.0/ 10 priority

Sources & remediation

Vendor / third-party advisories
Weakness type (CWE)
CWE-770

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • spring_for_apache_kafka

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
Products
spring_for_apache_kafka

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-10: 1Technical Details · 2026-06-10: 106-10
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • ThreatCluster@threatcluster
    Disclosure

    CVE-2026-41726 in Spring for Apache Kafka 2.8.0–4.0.5 allows a producer to trigger unbounded heap growth and OutOfMemoryError in consumers using DelegatingDeserializer, the Spring project disclosed. https://threatcluster.io/cluster/cve-2026-41726-heap-growth-vulnerability-in-spring-for-apach-32bbe937

    Post summary

    Spring project has disclosed CVE-2026-41726, which enables a producer to trigger unbounded heap growth and OutOfMemoryError in Kafka consumers using DelegatingDeserializer across versions 2.8.0–4.0.5. No PoC, exploit, or patch details are mentioned.

    0000047
    318 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appvmwarespring_for_apache_kafka---

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