CVE-2026-1693: arcinfo PcVue · Weak Authentication
Affects arcinfo PcVueSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 29 Oct 2026, 19:04 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 29% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y/R:U/RE:M/U:ClearExploitation evidence
Disclosed: evidence found.
CVE published 26 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| arcinfoPcVue | Affected
| Fixed in– |
AI-suggested
Organizations should immediately assess their PcVue deployments to identify affected versions (12.0.0 through 16.3.3) and disable or restrict the use of the OAuth Resource Owner Password Credentials (ROPC) grant type in web services. Where possible, update PcVue to versions that have removed or replaced ROPC with more secure OAuth flows such as Authorization Code or Client Credentials grants. Implement multi-factor authentication (MFA) to reduce the risk of credential compromise. Monitor authentication logs for unusual access patterns or failed login attempts indicative of exploitation attempts. Educate users about phishing and social engineering risks that could lead to credential disclosure. Network segmentation and strict access controls should be enforced around PcVue management interfaces to limit exposure. If patches become available, apply them promptly. Additionally, consider deploying web application firewalls (WAFs) to detect and block suspicious authentication requests exploiting this vulnerability.
Description
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.