Security readout for executives and security teams
Plain-English summary
CVE-2026-1694 is an information exposure issue in PcVue web features. Default IIS and ASP.NET HTTP headers were left visible, disclosing server configuration details. This does not directly compromise data or availability, but it can help an attacker profile systems for future attacks.
Executive priority
Treat as a low-priority hardening issue unless the affected PcVue webservices are internet-exposed or protect critical operational environments. It should be addressed during normal maintenance and exposure reduction work, not as an emergency response.
Technical view
PcVue WebVue, WebScheduler, TouchVue, and SnapVue webservices in versions 12.0.0 through 16.3.3 include default IIS/ASP.NET HTTP headers that unnecessarily expose server configuration information. The issue is categorized as CWE-201 with CVSS 4.0 score 2.3 low severity.
Likely exposure
Organizations using affected PcVue web features may expose server metadata through HTTP responses, especially where those services are reachable over a network. Exposure depends on whether WebVue, WebScheduler, TouchVue, or SnapVue are deployed and accessible.
Exploitation context
No active exploitation is reported in the provided sources, and the CVE is not listed as KEV. The value to attackers is reconnaissance: disclosed server details may support targeting or chaining with separate vulnerabilities.
Researcher notes
Evidence is limited to the CVE record and vendor advisory reference. The issue is configuration information disclosure, not code execution. Avoid overstating impact; focus validation on affected features, versions, reachability, and exposed HTTP headers.
Mitigation direction
- Review ARC Informatique/PcVue advisory SB2026-2 for official remediation guidance.
- Inventory PcVue deployments and identify versions 12.0.0 through 16.3.3.
- Determine whether WebVue, WebScheduler, TouchVue, or SnapVue webservices are enabled.
- Reduce unnecessary network exposure to affected webservices where operationally feasible.
- Remove unnecessary server-identifying headers only according to vendor-supported guidance.
Validation and detection
- Confirm installed PcVue version and enabled web features.
- Inspect HTTP responses from PcVue webservices for IIS or ASP.NET configuration headers.
- Compare observed behavior against vendor advisory SB2026-2.
- Document externally reachable instances separately from internal-only deployments.
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-201: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. 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 lookupCVE-2026-1694 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
- Low
- CVSS
- 2.3 (4.0)
- Known Exploited
- No
- Published
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y/R:U/RE:M/U:Clear
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.
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:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y/R:U/RE:M/U:Clear——Primary CVE scoreVulnerability scoring details
Base CVSS 4.0 score
2.3LowVector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y/R:U/RE:M/U:Clear
Source materials
- CVE List V5 sourceCVE List V5
- https://www.pcvue.com/security/#SB2026-2CVE reference · 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.
Insertion of Sensitive Information Into Sent Data
Insertion of Sensitive Information Into Sent Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.