Security readout for executives and security teams
Plain-English summary
Halo 2.25.4 is reported to allow a remote, unauthenticated attacker to run arbitrary code through plugin-installation components. Successful exploitation could expose data, alter the application, and disrupt service. The supplied evidence does not identify a fixed version or confirm attacks in the wild.
Executive priority
Treat internet-accessible Halo 2.25.4 systems as an immediate priority because the reported impact is complete application compromise without authentication. Quickly confirm ownership and exposure, reduce network reachability, seek official vendor remediation, and investigate for compromise. Do not interpret the absence of KEV listing as evidence of safety.
Technical view
CVE-2026-67919 is reported as CWE-94 code injection involving PluginEndpoint.java, installFromUri, and DefaultPluginApplicationContextFactory. Its CVSS 3.1 score is 9.8, indicating network access, low complexity, no privileges, no user interaction, unchanged scope, and high confidentiality, integrity, and availability impact. The precise root cause is not supplied.
Likely exposure
Likely exposure is limited to Halo 2.25.4 deployments containing the reported plugin-installation path, particularly systems reachable from untrusted networks. The record does not clarify configuration prerequisites, endpoint exposure, or whether other Halo versions are affected. The structured affected-product fields are unspecified, so inventory findings require careful confirmation.
Exploitation context
The CVSS vector characterizes exploitation as remote, low complexity, unauthenticated, and requiring no user interaction. The CVE is not listed as KEV in the supplied bundle, and no source establishes active exploitation. A public Gist is referenced, but its contents and practical exploit status are not established here.
Researcher notes
The record names specific Java components but provides no detailed root cause, code-path prerequisites, fixed version, or vendor-confirmed mitigation. Its structured affected-product fields are listed as n/a despite the narrative naming Halo 2.25.4. Scope should therefore be treated as provisional, and validation should remain non-destructive.
Mitigation direction
- Inventory Halo deployments and identify every instance running version 2.25.4.
- Check official Halo guidance for a corrected version or approved mitigation, then apply it promptly.
- Until official guidance is confirmed, restrict untrusted access to Halo and plugin-management interfaces.
- Review affected systems for unexpected plugins, URI-installation activity, suspicious processes, or unexplained outbound connections.
- If compromise is suspected, isolate the system and begin incident response before restoration.
Validation and detection
- Verify Halo versions using trusted package, container, and deployment metadata.
- Determine whether Halo or relevant plugin-management endpoints are reachable from untrusted networks.
- Review access controls and configuration governing plugin installation from remote URIs.
- Examine application, proxy, process, and network logs for anomalous plugin-related activity.
- After remediation, confirm no vulnerable images or version 2.25.4 instances remain deployed.
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-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-2026-67919 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://github.com/halo-dev/halo/blob/main/README.mdCVE reference, mitre
- https://gist.github.com/unpredictable21/d392c26986e81a95676f2a370ecb272bCVE reference, mitre
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.
Improper Control of Generation of Code
Improper Control of Generation of Code represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.