Vulnerability in Spring Integration

CVE-2026-59311

A local unprivileged user on the same host can redirect all Zip/UnZip transformer output into a directory of their choosing by pre-creating /tmp/ziptransformer as a symlink before the application starts. 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

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (31.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 31.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-59311: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-59311?
CVE-2026-59311 is a medium-severity vulnerability in Spring Integration, classified under Improper Link Resolution Before File Access. CVSS score: 6.8/10. Published 2026-08-27.
How severe is CVE-2026-59311?
Medium severity. CVSS v3 base score is 6.8 out of 10.