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CVE-2026-26342: Tattile Smart+, Vega, and Basic device families firmware versions 1.181.5 and prior implement an authenticatio

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CRITICAL 9.8REMOTEUPGRADEUPGRADEUPGRADE

CVE-2026-26342 is a critical-severity flaw (CVSS 9.8) affecting smart\+ firmware, tolling\+ firmware, smart\+ speed firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Tattile Smart+, Vega, and Basic device families firmware versions 1.181.5 and prior implement an authentication token (X-User-Token) with insufficient expiration. An attacker who obtains a valid token (for example via interception, log exposure, or token reuse on a shared system) can continue to authenticate to the management interface until the token is revoked, enabling unauthorized access to device functions and data.

Why this priority

  • Critical severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.8% (top 43%)
CISA exploited listNo
WeaknessCWE-613
Published2026-02-24
Last modified2026-06-17
Publisher (CNA): VulnCheck · Vendor: tattile

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

Am I affected?

Timeline

tattile smart\+ firmware UPGRADE
Affected: <= 1.181.5
Fixed in: newer than 1.181.5
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
tattile tolling\+ firmware UPGRADE
Affected: <= 1.181.5
Fixed in: newer than 1.181.5
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
tattile smart\+ speed firmware UPGRADE
Affected: <= 1.181.5
Fixed in: newer than 1.181.5
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
tattile smart\+ traffic light firmware UPGRADE
Affected: <= 1.181.5
Fixed in: newer than 1.181.5
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
tattile axle counter firmware UPGRADE
Affected: <= 1.181.5
Fixed in: newer than 1.181.5
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
tattile vega53 firmware UPGRADE
Affected: <= 1.181.5
Fixed in: newer than 1.181.5
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Exact fixes by distribution

Fedora 46 · python-configargparse · FIXED · 1.9.0-1.fc46 · FEDORA-2026-3ab7c44443 · source
sudo dnf upgrade --advisory=FEDORA-2026-3ab7c44443

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

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-2026-26342?

smart\+ firmware: upgrade to newer than 1.181.5; tolling\+ firmware: upgrade to newer than 1.181.5; smart\+ speed firmware: upgrade to newer than 1.181.5. Exact commands for each OS are on this page.

Is CVE-2026-26342 being exploited?

CVE-2026-26342 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-2026-26342 affect?

CVE-2026-26342 affects smart\+ firmware, tolling\+ firmware, smart\+ speed firmware. Severity is critical (CVSS 9.8). Tattile Smart+, Vega, and Basic device families firmware versions 1.181.5 and prior implement an authentication token (X-User-Token) with insufficient expiration. An attacker who obtains a valid token (for example via interception, log expo

How urgent is CVE-2026-26342?

Priority 59/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

References

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