Use of vulnerable Resource Owner Password Credentials flow
Priority LOW 24CWE-1390Published · 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
The OAuth grant type Resource Owner Password Credentials (ROPC) flow is still used by the werbservices used by the WebVue, WebScheduler, TouchVue and Snapvue features of PcVue in version 12.0.0 through 16.3.3 included despite being deprecated. It might allow a remote attacker to steal user credentials.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0036 29th 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
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-1693
- 2026-10-03 Alias added: GHSA-5w3f-m935-fxvq
References
Advisory 1
More arcinfo Pcvue vulnerabilities
- 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
Sources
- CVE-2026-1693 · CVE Program
- CVE-2026-1693 · NVD
- FIRST EPSS
- GHSA-5w3f-m935-fxvq · GitHub Advisory Database · CC BY 4.0
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