CVE-2026-26416: cognix-recon-client · An Authorization Bypass
Affects cognix-recon-clientSource CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 13:47 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 34% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 5 Mar 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubaksalsalimi/cognix-recon-clientpkg:github/aksalsalimi/cognix-recon-clientOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Given the absence of official patches, organizations should immediately implement strict network segmentation to limit access to the Cognix Recon Client. Enforce the principle of least privilege rigorously, ensuring users have only the minimum necessary permissions. Monitor logs and network traffic for unusual or unauthorized privilege escalation attempts, focusing on crafted request patterns. Employ multi-factor authentication to reduce the risk of compromised credentials being exploited. Consider deploying Web Application Firewalls (WAFs) or Intrusion Detection/Prevention Systems (IDS/IPS) with custom rules to detect and block suspicious requests targeting role escalation. Engage with Tata Consultancy Services for updates and potential patches. Conduct regular security assessments and penetration tests focusing on role-based access controls within the affected systems. Prepare incident response plans specific to privilege escalation scenarios to minimize impact if exploitation occurs.
Description
An authorization bypass vulnerability in Tata Consultancy Services Cognix Recon Client v3.0 allows authenticated users to escalate privileges across role boundaries via crafted requests.