Vulnerability · Published May 14, 2026 · Assigned by mitre

CVE-2026-44919

Medium 4.3

In plain English

A medium-severity security flaw in Ironic from OpenStack. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.5%top 59.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12ironic1:21.4.4-0+deb12u1DEBIAN-CVE-2026-44919
Debian:13ironic1:29.0.5-0+deb13u1DEBIAN-CVE-2026-44919
Debian:14ironic1:35.0.1-3DEBIAN-CVE-2026-44919
PyPIironicno fix listedGHSA-4g73-w726-53h3
PyPIironicno fix listedPYSEC-2026-2524
Ubuntu:22.04:LTSironicno fix listedUBUNTU-CVE-2026-44919
Ubuntu:24.04:LTSironicno fix listedUBUNTU-CVE-2026-44919
Ubuntu:25.10ironicno fix listedUBUNTU-CVE-2026-44919
Ubuntu:26.04:LTSironicno fix listedUBUNTU-CVE-2026-44919
Ubuntu:26.10ironicno fix listedUBUNTU-CVE-2026-44919

Affected products (as reported)

VendorProductVersions
OpenStack Ironic 23.0.4 – before 29.0.630.0.0 – before 32.0.233.0.0 – before 35.0.2

Weakness: CWE-696 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References