CVE-2026-44916

In OpenStack Ironic before 35.0.2 (in a certain non-default configuration), instance_info['ks_template'] is rendered without sandboxing.

Published: 2026-05-08 Last update: 2026-05-20 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2026-44916 is rated Low Risk (12.3/100): CVSS Low severity, with low exploitation likelihood (EPSS 0.01%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2026-44916

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-05-08 0.01%

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2026-44916

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
3.0 3.1 LOW
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
Privileges required (PR:H)
They need powerful rights—admin, root, or similar—before this pays off.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:L)
Some sensitive info could get out, but not a total data dump.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
1.3 1.4 [email protected]

Weakness enumeration for CVE-2026-44916

GitHub Security Advisory for CVE-2026-44916

GHSA-979m-gf7m-rg53 · Severity: low — In OpenStack Ironic through 35.x, instance_info['ks_template'] is rendered without sandboxing.

OS Trackers for CVE-2026-44916

vendor priority summary link
debian not yet assigned CVE-2026-44916 not yet assigned priority: Debian including 1 source packages (ironic), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 4, open 1. https://security-tracker.debian.org/tracker/CVE-2026-44916
ubuntu medium CVE-2026-44916 medium priority: Ubuntu including 1 source packages (ironic), 8 status rows across 8 suites (bionic, focal, jammy, noble, questing, resolute, upstream, xenial): needs-triage 7, released 1. https://ubuntu.com/security/CVE-2026-44916

Affected software / configurations for CVE-2026-44916

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2026-44916

cvelogic Threat Intelligence