CVE-2026-115638 — MEDIUM (4.3)

Vulnerability Description

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.

CVSS Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

LOW

Related Weaknesses (CWE)

CWE-409

References

FAQ

What is CVE-2026-115638?

CVE-2026-115638 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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.

How severe is CVE-2026-115638?

CVE-2026-115638 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-115638?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.