CVE-2026-26418: Missing authentication and authorization in the web API of Tata Consultancy Services Cognix Recon Client v3.0

This month

HIGH 7.5REMOTEDOWNGRADE

CVE-2026-26418 is a high-severity flaw (CVSS 7.5) affecting cognix platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Missing authentication and authorization in the web API of Tata Consultancy Services Cognix Recon Client v3.0 allows remote attackers to access application functionality without restriction via the network.

Why this priority

High severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-03-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tcs

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-05 19:16 UTCPublished CVE record published
2026-06-17 10:26 UTCUpdated Record last modified

tcs cognix platform DOWNGRADE

Affected: 3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0

1. Check installed version

apt-cache policy cognix-platform || rpm -q cognix-platform || cognix-platform --version

2. No fixed release: DOWNGRADE to a release before 3.0 (Debian / Ubuntu)

apt-cache madison cognix-platform sudo apt install cognix-platform=<VERSION_BEFORE_3.0> sudo apt-mark hold cognix-platform

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list cognix-platform sudo dnf downgrade cognix-platform-<VERSION_BEFORE_3.0> sudo dnf versionlock add cognix-platform

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-26418?

cognix platform: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-26418 being exploited?

CVE-2026-26418 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-26418 affect?

CVE-2026-26418 affects cognix platform. Severity is high (CVSS 7.5). Missing authentication and authorization in the web API of Tata Consultancy Services Cognix Recon Client v3.0 allows remote attackers to access application functionality without restriction via the network.

How urgent is CVE-2026-26418?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-26417 HIGH 8.1 DOWNGRADE A broken access control vulnerability in the password reset functionality of Tata Consultancy Services Cognix
CVE-2026-26416 HIGH 8.8 DOWNGRADE An authorization bypass vulnerability in Tata Consultancy Services Cognix Recon Client v3.0 allows authenticat

References

← Back to latest CVEs