Security readout for executives and security teams
Plain-English summary
CVE-2026-38945 is a high-severity command injection issue in Raynet rvia 12.6 Update 8 and earlier. A low-privileged local user could potentially make the software run arbitrary commands, creating full confidentiality, integrity, and availability impact on the affected host.
Executive priority
Treat this as high priority where rvia is deployed on shared or multi-user systems. The vulnerability requires local low-privileged access, but successful exploitation could allow full host compromise. Remediation should follow Raynet guidance once confirmed.
Technical view
The CVE describes CWE-77 command injection in rvia's Java search behavior using the find command. A crafted path can match improperly terminated search criteria and cause arbitrary code execution. The CVSS 3.1 score is 7.8 with local access, low complexity, low privileges, and no user interaction.
Likely exposure
Exposure appears limited to environments running Raynet rvia version 12.6 Update 8 or earlier, especially where untrusted or broad low-privileged local access exists. The source bundle does not provide CPEs or a complete affected-product matrix.
Exploitation context
The CVE is not listed as KEV in the provided data. A public GitHub reference includes an exploit-tagged script, so proof-of-concept material appears publicly available. The provided sources do not establish active exploitation in the wild.
Researcher notes
The source data is incomplete on vendor/product normalization, CPEs, fixed versions, and active exploitation. Analysis should stay anchored to the CVE description, Raynet advisory, and public GitHub reference without assuming broader Raynet product impact.
Mitigation direction
- Check Raynet advisory RSEC200967 and support portal for official remediation guidance.
- Inventory rvia deployments and identify versions 12.6 Update 8 or earlier.
- Prioritize remediation on shared systems or hosts with broad local user access.
- Restrict local access to affected rvia hosts until vendor guidance is applied.
- Monitor vendor and CVE records for updated affected versions or fixes.
Validation and detection
- Confirm whether Raynet rvia is installed in endpoint and server inventories.
- Record exact rvia versions and compare against 12.6 Update 8 or earlier.
- Review application and endpoint logs for unusual Java or find child process activity.
- Check for suspicious crafted paths in rvia search or application logs.
- Track the public advisory and CVE record for updates before closure.
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-77: Command execution behavior lookup
Command injection weaknesses can lead defenders to review execution techniques and command interpreter 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-2026-38945 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
- High
- CVSS
- 7.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:L/AC:L/PR:L/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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
7.8HighVector: CVSS:3.1/AV:L/AC:L/PR:L/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://support.raynet.de/CVE reference, mitre
- https://github.com/Wise-Security/CVE-2026-38945CVE reference, mitre
- https://support.raynet.de/hc/en-us/articles/46163206384788-RSEC200967-Java-Detection-Path-TraversalCVE reference, mitre
- https://github.com/Wise-Security/CVE-2026-38945/blob/main/CVE-2026-38945.shCVE reference, CISA-ADP · exploit
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 Neutralization of Special Elements used in a Command ('Command Injection')
Improper Neutralization of Special Elements used in a Command ('Command Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.