No exploitation reportedFix available

CVE-2026-54421

Q: Is CVE-2026-54421 actively exploited?

Active exploitation of CVE-2026-54421 has not been confirmed. Its EPSS score was 0.5% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2026-54421?

CVE-2026-54421 has a CVSS v3 base score of 6.8 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.

No exploitation reported by the sources we read.

Published2026-06-14
Fixed in37.0.1 · 35.0.2 · 32.0.2 · 29.0.6
WeaknessCWE-212

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

In OpenStack Ironic before 37.0.1, when applying a PATCH to update fields in volume properties the user is authorized for, Ironic can return unredacted sensitive information (such as iSCSI credentials). The PATCH outcome is a security issue; the POST outcome is not a security issue.

Timeline

dates in UTC

2026-06-1404:16CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-54421?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-54421?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

OSV

ironic

Branch	Affected	Fixed in	Source
37.0	≥ 36.0.0, < 37.0.1	37.0.1	OSV
35.0	≥ 33.0.0, < 35.0.2	35.0.2	OSV
32.0	≥ 30.0.0, < 32.0.2	32.0.2	OSV
29.0	≥ 17.0.0, < 29.0.6	29.0.6	OSV

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update ironic to 37.0.1 · 35.0.2 · 32.0.2 · 29.0.6

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVE recordread 2026-10-23
CISA-ADPSSVC decisionnone2026-06-15
OpenCVESSVC decisionnone—
CNACVSS 3.16.8read 2026-10-23
CNAweakness (CWE)CWE-212read 2026-10-23
FIRST EPSSEPSS score0.5 %2026-10-23
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Published: 2026-06-14
Last Modified: 2026-07-23
NVD status: Deferred

Frequently asked questions

What is CVE-2026-54421?

Is CVE-2026-54421 actively exploited?

Active exploitation of CVE-2026-54421 has not been confirmed. Its EPSS score was 0.5% on 2026-10-23, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-54421?

CVE-2026-54421 has a CVSS v3 base score of 6.8 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N.

Running ironic? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

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