CVE-2026-59275

Remote JVM termination: nested-array Java deserialization bypasses allowlist, triggers StackOverflowError, default JavaLangErrorHandler calls System.exit(99)

MEDIUM

4.9

CVSS Score

Published: August 27, 2026 at 05:20 AM UTC

Updated: September 1, 2026 at 06:41 PM UTC

2 products affected across 2 vendorsSpring Advanced Message Queuing ProtocolSpring Advanced Message Queuing Protocol

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Severity

MEDIUM4.9

Exploit prediction

EPSS 0.4%

SSVC

No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Spring Advanced Message Queuing Protocol · VMware

95%

v < 2.4.193.2.0 ≤ v < 3.2.134.0.0 ≤ v < 4.0.4.14.1.0 ≤ v < 4.1.0.1

Affected range stops below 2.4.19, so it looks safe — our inference, not a vendor statement

Affected range stops below 3.2.13, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.0.4.1, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.1.0.1, so it looks safe — our inference, not a vendor statement

Spring Advanced Message Queuing Protocol · Spring

60%

v ≤ 2.4.183.2.0 ≤ v ≤ 3.2.124.0.0 ≤ v ≤ 4.0.43.2.0 4.0.0 4.1.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://spring.io/security/cve-2026-59275

References (1)

Vendor Advisory

Source: [email protected]

https://spring.io/security/cve-2026-59275

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.9MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: HIGH
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: HIGH

Vector?

Quick Info

StatusANALYZED

CWE

CWE-502

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