CVE-2026-44416

Q: How do I fix CVE-2026-44416?

Upgrade ranger to 2.9.0 or later.

Q: Is CVE-2026-44416 being actively exploited?

Not that we know of. CVE-2026-44416 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.66% is the estimated probability that it will be exploited in the next 30 days. That is higher than 49% of all scored CVEs.

Q: How severe is CVE-2026-44416?

CVE-2026-44416 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

Q: What does CVE-2026-44416 affect?

Published advisories record a fix for ranger (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

CRITICAL

9.8

CVSS v3

NVD

Description

Remote Code Execution via Arbitrary Class Instantiation in plugin-schema-registry component in Apache Ranger <= 2.8.0. Users are recommended to upgrade to version 2.9.0, which fixes this issue.

CWE-94Code Injection CWE-470

How to fix

Remediation Available

rangerNVD

Affected:< 2.9.0Fixed in:2.9.0CVE-2026-44416derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.66%probability of exploitation in 30 days

49thpercentile

Moderate risk: more likely to be exploited than 49% of all known CVEs.

References

Vendor Advisory1

lists.apache.org

Third-Party Advisory1

openwall.com

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2025-3248	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2025-49704	High	8.8	100%	KEV + Ransom	Fix
CVE-2021-22204	Medium	6.8	100%	KEV	Fix

Common questions

How do I fix CVE-2026-44416?

Upgrade ranger to 2.9.0 or later.

Is CVE-2026-44416 being actively exploited?

Not that we know of. CVE-2026-44416 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.66% is the estimated probability that it will be exploited in the next 30 days. That is higher than 49% of all scored CVEs.

How severe is CVE-2026-44416?

CVE-2026-44416 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2026-44416 affect?

Published advisories record a fix for ranger (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

Embed a live status badge for CVE-2026-44416

Markdown

[![CVE-2026-44416](https://tridentstack.com/cve/badge/CVE-2026-44416.svg)](https://tridentstack.com/cve/CVE-2026-44416)

HTML

<a href="https://tridentstack.com/cve/CVE-2026-44416"><img src="https://tridentstack.com/cve/badge/CVE-2026-44416.svg" alt="CVE-2026-44416"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

See how it works Start freeThis CVE lookup is free and always will be.

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-17.