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CVE Record

CVE-2026-1696: Missing security HTTP headers

Some HTTP security headers are not properly set by the web server when sending responses to the client application.

LowCVSS 2.3Not KEV-listedUpdated
Glexia's TakeAutomated analysislow

Security readout for executives and security teams

Plain-English summary

CVE-2026-1696 is a low-severity issue in Arcinfo PcVue where the web server does not consistently set some HTTP security headers. These headers help browsers reduce certain client-side risks. The available record does not indicate data compromise, system takeover, or active exploitation.

Executive priority

Handle through normal vulnerability management, with higher priority if PcVue is externally reachable or used in sensitive operational environments. The current evidence supports low urgency, not emergency response.

Technical view

The CVE describes missing or improperly set HTTP security headers in PcVue responses to client applications. It is mapped to CWE-79 and scored CVSS 4.0 2.3, with network reachability, high attack complexity, and user interaction required. Affected versions listed are PcVue 16.0.0, 15.0.0, and 12.0.0.

Likely exposure

Exposure is limited to organizations running the listed PcVue versions with the affected web interface reachable by users. Internet exposure would increase concern, but the source bundle does not state deployment conditions or default exposure.

Exploitation context

The source bundle does not report active exploitation, and this CVE is not listed as KEV. The described weakness could reduce browser-side protections, but the record does not provide exploit details or confirm practical exploitation paths.

Researcher notes

Evidence is limited to the CVE metadata and vendor advisory reference. The specific missing headers, exact fixed versions, and vendor mitigation details are not included in the provided bundle, so remediation should be confirmed against SB2026-2.

Mitigation direction

  • Review Arcinfo PcVue security advisory SB2026-2 for vendor-approved remediation.
  • Prioritize correction for externally reachable or broadly accessible PcVue web interfaces.
  • Restrict access to PcVue web services where operationally feasible.
  • Apply vendor updates or configuration changes only as documented by Arcinfo.

Validation and detection

  • Identify deployed PcVue versions and compare them with the affected version list.
  • Review HTTP responses from PcVue web services for expected security headers.
  • Confirm exposure scope, especially internet-facing or cross-network access.
  • After remediation, recheck headers and document version or configuration changes.
Prepared
Confidence
medium
Sources
3

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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 · medium confidence lookup

CWE-79: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. 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 lookup
cve · low confidence lookup

CVE-2026-1696 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
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

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
2.3CVSS 4.0LowCVSS: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 score

Vulnerability scoring details

Base CVSS 4.0 score

2.3Low
CVSS 4.0 vector shape for CVE-2026-1696Attack VectorAttack ComplexityAttack RequirementsPrivileges RequiredUser InteractionVS ConfidentialityVS IntegrityVS AvailabilitySS ConfidentialitySS IntegritySS Availability

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Attack Requirements
NonePresent
Privileges Required
NoneLowHigh
User Interaction
NonePassiveActive
VS Confidentiality
HighLowNone
VS Integrity
HighLowNone
VS Availability
HighLowNone
SS Confidentiality
HighLowNone
SS Integrity
HighLowNone
SS Availability
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
arcinfoPcVue16.0.0, 15.0.0, 12.0.0unaffected
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.