8.1

CVE-2026-48681: openstack ironic Relative Path Traversal

CVSS: 8.1v3.1HighAnalyzed
AliasesGHSA-9v62-qx4c-44x5PYSEC-2026-3470UBUNTU-CVE-2026-48681
Published 04-06-2026Last modified 04-06-2026
Open JSON

Vulnerability summary

CVE-2026-48681 is a high (CVSS 8.1) Relative Path Traversal vulnerability in openstack ironic. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 57.4% of scored vulnerabilities.

Overall risk
33/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.1/10
010
High · v3.1 (NVD)
EPSS score
0.85%
0%100%
Low · +0.25 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
USN-8421-1

Timeline

  1. 04-06-2026
    PublishedVulnerability first disclosed.
  2. 04-06-2026
    Last modifiedVulnerability information updated.

Description

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

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.85%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

+0.25 pp

From 0.60% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.85%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • ironic< 1:21.4.4-0+deb12u1 | < 1:29.0.5-0+deb13u2 | < 1:35.0.1-5
Openstack1 product
  • ironic≥ 17.0.0, < 26.1.7 | ≥ 27.0.0, < 29.0.6 | ≥ 30.0.0, < 32.0.2 | ≥ 33.0.0, < 35.0.2
PyPI1 product
  • ironic≥ 17.0.0, < 26.1.7 | ≥ 27.0.0, < 29.0.6 | ≥ 30.0.0, < 32.0.2 | ≥ 33.0.0, < 35.0.2
Ubuntu1 product
  • ironic< 1:20.1.0-0ubuntu1.3 | < 1:24.1.1-0ubuntu1.3 | < 1:32.0.0-0ubuntu1.1 | All versions (No fix recorded) | < 1:35.0.0-0ubuntu2.1

4 vendors · 4 products

References

11 links
Show all 11 references