Read the docs
TI-2026-01381 Aliases CVE-2026-1698GHSA-35x7-r658-wx7f

HTTP Host header vulnerability in WebClient and WebScheduler web apps

Priority LOW 30CWE-644Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A HTTP Host header attack vulnerability affects WebClient and the WebScheduler web apps of PcVue in version 15.0.0 through 16.3.3 included, allowing a remote attacker to inject harmful payloads that manipulate server-side behavior. This vulnerability only affects the endpoints /Authentication/ExternalLogin, /Authentication/AuthorizationCodeCallback and /Authentication/Logout of the WebClient and WebScheduler web apps.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00243 15th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
arcinfoPcVue16.0.0 – 16.3.3; 15.0.0 – 15.2.13—No fix listedCNA
  • PcVue Vendorarcinfo Affected 16.0.0 – 16.3.3; 15.0.0 – 15.2.13 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:arcinfo:pcvue:*:*:*:*:*:*:*:*15.0.0 – 15.2.13; 16.0.0 to before 16.3.4Vulnerablearcinfo
  • cpe:2.3:a:arcinfo:pcvue:*:*:*:*:*:*:*:* Versions 15.0.0 – 15.2.13; 16.0.0 to before 16.3.4 Vulnerable ·arcinfo

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-1698
  2. 2026-10-03 Alias added: GHSA-35x7-r658-wx7f

References

  • TI-2011-03570 Integer overflow in an unspecified ActiveX control in SVUIGrd.ocx in ARC Informatique… CVSS 2.0HIGH 9.3
  • TI-2011-03569 An unspecified ActiveX control in SVUIGrd.ocx in ARC Informatique PcVue 6.0 through 10.0… CVSS 2.0HIGH 9.3
  • TI-2020-16302 ARC Informatique PcVue Deserialization of Untrusted Data CVSS 3.1CRITICAL 9.8
  • TI-2011-03571 An unspecified ActiveX control in SVUIGrd.ocx in ARC Informatique PcVue 6.0 through 10.0… CVSS 2.0MEDIUM 5.8
  • TI-2026-12536 Weak encryption mechanism for User directory CVSS 4.0HIGH 8.4
  • TI-2020-16303 ARC Informatique PcVue Access to Critical Private Variable via Public Method CVSS 3.1HIGH 7.5
See all 18 →

Sources