Reference page — cumulative record through Sunday, October 4, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.
CVE-2026-59321
Spring Spring Integration — Shared JSR-223 ScriptEngine evaluated concurrently without THREADING check
AV AC PR UI S C I A CVSS EPSS %ile KEV
N L L N U L L N 5.4 .0018 6.3 —
AFFECTED
Product Versions Fixed
Spring Integration 7.1.0 – —
TIMELINE
Jul 4 Reserved by vmware
Aug 27 Published (CNA: vmware)
Aug 31 RESCORED — CVE-2026-59321 (Spring Integration). CVSS 4.2 → 5.4 (NVD).
Description
A single ScriptEngine instance is reused for every message on a script-backed channel. For JSR-223 engines that report THREADING=null (not thread-safe, e.g. the Kotlin kts engine), concurrent message processing can corrupt engine-internal state, potentially leaking one message's payload/headers bindings into another message's script evaluation or throwing spurious exceptions.
Spring Integration 7.1.0
Spring Integration 7.0.0 - 7.0.5
Spring Integration 6.5.0 - 6.5.10
Spring Integration 6.4.0 - 6.4.12
Spring Integration 5.5.21 and earlier
Lifecycle
Complete event history — 3 events, chronological
| Date | Event | Detail |
| July 4, 2026 | Reserved | Reserved by vmware |
| August 27, 2026 | Published | Published (CNA: vmware) |
| August 31, 2026 | RESCORED | RESCORED — CVE-2026-59321 (Spring Integration). CVSS 4.2 → 5.4 (NVD). |
Affected
Affected products and packages — 1 row
| Vendor | Product / Package | Ecosystem | Version introduced | Fixed |
| Spring | Spring Integration | — | 7.1.0 | — |
About this page
This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-59321 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Sunday, October 4, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.