Security readout for executives and security teams
Plain-English summary
Crafty Controller 4.4.0 contains a critical path-traversal flaw in server import and administrative file upload features. A remote attacker with authenticated access could place files in application-permitted locations, potentially execute code, alter systems, expose limited data, or disrupt service. The supplied sources do not establish exposure for other versions.
Executive priority
Treat confirmed Crafty Controller 4.4.0 deployments as an immediate remediation priority, especially when management functions are externally reachable. Authentication lowers anonymous risk but does not adequately offset possible code execution. Until vendor remediation is identified, reduce reachability, privileges, and affected feature access while investigating for compromise.
Technical view
Insufficient path validation allows traversal during server imports and administrative uploads. Network exploitation requires low privileges, no user interaction, and low complexity. Successful abuse can escape the intended upload directory and write to arbitrary paths accessible by Crafty Controller, enabling remote code execution. CVSS 3.1 is 9.1 with changed scope.
Likely exposure
Highest risk applies to internet-accessible or broadly reachable Crafty Controller 4.4.0 deployments where untrusted or compromised authenticated accounts can use server import or administrative upload functions. The bundle does not establish that other versions are affected, and its default status is unaffected.
Exploitation context
The supplied record is not in CISA KEV, and no cited source states that exploitation is active. Authentication is required, but low privileges, network reachability, low complexity, and no user interaction materially reduce exploitation barriers after account access is obtained.
Researcher notes
CVE-2026-13716 is mapped to CWE-35 and affects server import plus administrative upload handling. The supplied version data identifies 4.4.0 and marks the default status unaffected, so broader version impact should not be inferred. The references do not provide a confirmed patch version, mitigation, proof of concept, or observed exploitation evidence.
Mitigation direction
- Identify Crafty Controller 4.4.0 deployments and prioritize externally reachable instances.
- Check vendor guidance for a corrected release or official mitigation; the supplied sources name neither.
- Restrict management-interface access to trusted networks and authorized administrators.
- Limit or suspend server import and administrative upload access where operationally acceptable.
- Review authenticated accounts and revoke unnecessary, stale, or suspicious access.
Validation and detection
- Confirm the installed Crafty Controller version on every deployment.
- Verify whether server import or administrative upload features are accessible to low-privileged accounts.
- Review authentication records for unexpected access to affected administrative functions.
- Inspect application-writable locations for unexpected files or recent unauthorized changes.
- After remediation, confirm the vendor-designated corrected version or mitigation is active.
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-35: File access and web shell behavior lookup
File traversal and upload weaknesses can lead teams to review file, web shell, execution, and collection 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 lookupFile access behavior lookup
The CVE wording references file access or upload behavior, so file telemetry and web shell review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-13716 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
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L
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:L/UI:N/S:C/C:L/I:H/A:L3.15.3GitLabVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L
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://gitlab.com/crafty-controller/crafty-4/-/work_items/727CVE reference, GitLab
- https://gitlab.com/crafty-controller/crafty-4/-/work_items/740CVE reference, GitLab
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.
Path Traversal: '.../...//'
Path Traversal: '.../...//' represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.