Security readout for executives and security teams
Plain-English summary
Apache Ranger versions through 2.8.0 contain a critical flaw in the plugin-schema-registry component. A remote, unauthenticated attacker may be able to run code on an affected server, potentially compromising data, changing configurations, or disrupting service. Apache recommends upgrading to Ranger 2.9.0.
Executive priority
Treat confirmed affected deployments as an immediate priority, especially when reachable from untrusted networks. Assign ownership, upgrade to 2.9.0 promptly, and verify completion. Where exposure cannot yet be confirmed, perform rapid inventory rather than assuming Ranger installations are vulnerable.
Technical view
The flaw permits arbitrary class instantiation in Apache Ranger’s plugin-schema-registry component, leading to remote code execution. CVSS 3.1 rates it 9.8: network-accessible, low complexity, no privileges or user interaction required, with high confidentiality, integrity, and availability impact.
Likely exposure
Exposure is limited to deployments running the plugin-schema-registry component on Apache Ranger 2.8.0 or earlier. Risk is greatest where the affected service is reachable from untrusted networks. The source bundle does not identify affected configurations, ports, or prerequisite settings.
Exploitation context
The supplied sources do not report active exploitation, and the CVE is not listed as KEV in the bundle. They also provide no public proof of concept or indicators of compromise. Nevertheless, the unauthenticated network attack vector and potential code execution make exposed systems urgent remediation candidates.
Researcher notes
The public description maps the issue to CWE-470 and CWE-94 but does not disclose the vulnerable code path, input format, affected endpoint, configuration dependencies, detection signatures, or exploitation evidence. Avoid inferring broader Apache Ranger exposure beyond plugin-schema-registry and versions through 2.8.0.
Mitigation direction
- Upgrade affected Apache Ranger deployments to version 2.9.0, as recommended by Apache.
- Confirm the plugin-schema-registry component is included in the upgrade scope.
- Until upgraded, reduce the affected component’s reachability from untrusted networks.
- Review the Apache advisory for deployment-specific guidance before making production changes.
Validation and detection
- Inventory Apache Ranger versions and identify deployments using plugin-schema-registry.
- Confirm whether each identified deployment runs version 2.8.0 or earlier.
- After remediation, verify the effective runtime version is Apache Ranger 2.9.0 or later.
- Review relevant logs for anomalous activity; the supplied sources provide no specific indicators.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-470: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCWE-94: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-44416 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://lists.apache.org/thread/2gqssqhwkzbpd8jx8q6986cwldr7qkdnCVE reference, apache · vendor-advisory
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.