All vulnerabilities
CVE-2026-115638

OpenStack Ironic through 39.0.1 allows a denial of service via a configdrive that results in a very large amount of uncompressed data, aka a gzip bomb.

OpenStack IronicContainers & cloud
CVSS
4.3Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.21%Chance of exploitation activity in the next 30 days, higher than 10% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
Published23 Oct 2026Updated 23 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version.

Affected versions 3

  • Ironicaffected: 30.0.0 through 32.1.1CVE List
  • Ironicaffected: 33.0.0 through 35.1.1CVE List
  • Ironicaffected: 36.0.0 through 39.0.1CVE List

References 1