What is CVE-2026-48681?

CVE-2026-48681 is a medium-severity vulnerability in OpenStack Ironic, classified under Relative Path Traversal. CVSS score: 5.9/10. Published 2026-06-04.

How severe is CVE-2026-48681?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Path Traversal in OpenStack Ironic

CVE-2026-48681

OpenStack Ironic through before 35.0.2 allows file overwrite via directory traversal during deployment with a crafted ISO image.

Published 2026-06-04 · last modified 2026-07-22.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:N.

EPSS exploit prediction

EPSS: 0.009 (57.4th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 57.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.009 · change: +0.002

Affected products

OpenStack Ironic — versions 17.0.0, 27.0.0, 30.0.0

Weakness classification (CWE)

CWE-23 — Relative Path Traversal

References

bugs.launchpad.net/ironic/+bug/2148333 (Mitigation, Issue Tracking)
www.openwall.com/lists/oss-security/2026/06/03/12 (Mailing List, Third Party Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2026-48681?: CVE-2026-48681 is a medium-severity vulnerability in OpenStack Ironic, classified under Relative Path Traversal. CVSS score: 5.9/10. Published 2026-06-04.
How severe is CVE-2026-48681?: Medium severity. CVSS v3 base score is 5.9 out of 10.