What is CVE-2026-59275?

CVE-2026-59275 is a medium-severity vulnerability in Spring Amqp, classified under Deserialization of Untrusted Data. CVSS score: 6.6/10. Published 2026-08-27.

How severe is CVE-2026-59275?

Medium severity. CVSS v3 base score is 6.6 out of 10.

Deserialization in Spring Amqp

CVE-2026-59275

A single hostile AMQP message can terminate the entire consumer JVM (System.exit(99)), not just the listener thread — full availability loss for every workload co-located in that process. Spring AMQP 4.1.0 Spring AMQP 4.0.0 - 4.0.4 Spring AMQP 3.2.0 - 3.2.12 Spring AMQP 2.4.18 and earlier

Vulnerability class: Insecure Deserialization

EPSS: 0.002 (15.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Spring Amqp — versions 4.1.0

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

security@vmware.com

Frequently asked questions

What is CVE-2026-59275?: CVE-2026-59275 is a medium-severity vulnerability in Spring Amqp, classified under Deserialization of Untrusted Data. CVSS score: 6.6/10. Published 2026-08-27.
How severe is CVE-2026-59275?: Medium severity. CVSS v3 base score is 6.6 out of 10.