CVE-2026-23846Public exploitNetwork attack vector

Credential exposure via query-string password handling

Published Jan 19, 2026 · Updated Jan 19, 2026

Credential exposure in Quenary Tugtainer before 1.16.1 allows attackers to obtain passwords from URLs retained by intermediaries. The login method in backend/core/auth/auth_password_provider.py reads password from request.query_params while the frontend places it in the login URL. Exposure requires a password-based login and access to browser history, a Referer recipient, or an application or proxy log; a recovered password enables account takeover.

CVSS severity8.1
High
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Credential exposure in Quenary Tugtainer before 1.16.1 allows attackers to obtain passwords from URLs retained by intermediaries. The login method in backend/core/auth/auth_password_provider.py reads password from request.query_params while the frontend places it in the login URL. Exposure requires a password-based login and access to browser history, a Referer recipient, or an application or proxy log; a recovered password enables account takeover.

The record

CVE
CVE-2026-23846
Published
Jan 19, 2026
Updated
Jan 19, 2026
Vendor
Quenary
Product
Tugtainer
Classifications
CWE-598, T1552.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 19, 2026CVE publishedPublication date reported by the CVE source.
  2. Jan 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 1.16.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Quenary · Tugtainerversion=< 1.16.1

Published CVSS scores

8.1GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
9.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

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 exploitPublished

Weakness, pattern, technique

CWE-598Use of GET Request Method With Sensitive Query Strings
T1552.001Unsecured Credentials: Credentials In Files

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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