CVE-2026-44159Network attack vector

Unauthenticated administrative access via default credentials

Published May 19, 2026 · Updated May 19, 2026

Use of default credentials in Tyler Technologies Tyler Identity Local allows remote attackers to gain administrative access. The identity provider uses a documented administrative credential and does not require its replacement before deployment. Any network-reachable deployment retaining that credential exposes administrative functions without a unique secret, enabling compromise of the protected identity service.

CVSS severity9.3
Critical
EPSS probability0.48%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use of default credentials in Tyler Technologies Tyler Identity Local allows remote attackers to gain administrative access. The identity provider uses a documented administrative credential and does not require its replacement before deployment. Any network-reachable deployment retaining that credential exposes administrative functions without a unique secret, enabling compromise of the protected identity service.

The record

CVE
CVE-2026-44159
Published
May 19, 2026
Updated
May 19, 2026
Vendor
Tyler Technologies
Product
Tyler Identity Local
Classifications
CWE-1392, T1078.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 19, 2026CVE publishedPublication date reported by the CVE source.
  2. May 19, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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  1. Affected versionversion=*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Tyler Technologies · Tyler Identity Localversion=*

Published CVSS scores

9.3CISA CNACVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
9.8CISA CNACVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-1392Use of Default Credentials
T1078.001Valid Accounts: Default Accounts

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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