An authorization bypass vulnerability in Tata Consultancy Services Cognix Recon Client v3.0 allows authenticated users to escalate privileg…

published 2026-03-05 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-9840

cvss: 8.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 39%
public exploits: 0; none known

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.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 8 mo ago (2026-03-06)

Exploit prediction

0.45% chance of exploitation in the next 30 days, higher than 39% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Classification

Weakness

CWE-269 Improper Privilege Management

References

github.com /aksalsalimi/cognix-recon-client-security-advisories
third-party-advisory
tcs.com /what-we-do/services/cognitive-business-operations/solution/cognix-platform-business-agility-enhanced-cx
product
github.com /aksalsalimi/CVE-2026-26416
third-party-advisory

Sources

CVE List CVE-2026-26416
NVD CVE-2026-26416

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary