6.5

CVE-2026-44919: openstack ironic Incorrect Behavior Order

CVSS: 6.5v3.1MediumAnalyzed
AliasesGHSA-4g73-w726-53h3PYSEC-2026-2524UBUNTU-CVE-2026-44919
Published 14-05-2026Last modified 21-05-2026
Open JSON

Vulnerability summary

CVE-2026-44919 is a medium (CVSS 6.5) Incorrect Behavior Order vulnerability in openstack ironic. EPSS estimates a 0.56% chance of exploitation in the next 30 days, higher than 45.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.56%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 14-05-2026
    PublishedVulnerability first disclosed.
  2. 21-05-2026
    Last modifiedVulnerability information updated.

Description

In OpenStack Ironic through 35.x before a3f6d73, during image handling, an infinite loop in checksum calculations can occur via the file:///dev/zero URL.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.56%

Chance of exploitation in the next 30 days

Percentile

45%

Versus all other CVEs

30-day change

+0.09 pp

From 0.47% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.56%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugs.launchpad.net)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Chainguard2 products
  • openstack-ironic-2025.2All versions (No fix recorded)
  • openstack-ironic-2026.1All versions (No fix recorded)
Debian1 product
  • ironic< 1:21.4.4-0+deb12u1 | < 1:29.0.5-0+deb13u1 | < 1:35.0.1-3
Openstack1 product
  • ironic≥ 23.0.4, < 29.0.6 | ≥ 30.0.0, < 32.0.2 | ≥ 33.0.0, < 35.0.2
PyPI1 product
  • ironic≤ 36.0.0
Ubuntu1 product
  • ironicAll versions (No fix recorded)

5 vendors · 6 products

References

11 links
Show all 11 references