CVE-2026-66677Network attack vectorHinoki check available

Subscriber privilege escalation via auth bypass

Published Aug 20, 2026 · Updated Aug 20, 2026

Broken authentication in Leyka 3.32.3 and earlier allows remote authenticated users to reach higher-privileged functions. The retrieved Patchstack, NVD, and GitHub records do not disclose the affected endpoint or function, so the broken-authentication mechanism remains undisclosed beyond subscriber-level access reaching protected operations in the Teplitsa of Social Technologies plugin. Exploitation requires a valid Subscriber account on a site running the plugin, and published impact data bounds the consequence to unauthorized access to higher-privileged actions with resulting data read or limited state changes rather than a demonstrated full site takeover.

CVSS severity7.6
High
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Broken authentication in Leyka 3.32.3 and earlier allows remote authenticated users to reach higher-privileged functions. The retrieved Patchstack, NVD, and GitHub records do not disclose the affected endpoint or function, so the broken-authentication mechanism remains undisclosed beyond subscriber-level access reaching protected operations in the Teplitsa of Social Technologies plugin. Exploitation requires a valid Subscriber account on a site running the plugin, and published impact data bounds the consequence to unauthorized access to higher-privileged actions with resulting data read or limited state changes rather than a demonstrated full site takeover.

The record

CVE
CVE-2026-66677
Published
Aug 20, 2026
Updated
Aug 20, 2026
Vendor
Teplitsa of Social Technologies
Product
Leyka
Classifications
CWE-288, CAPEC-50
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 20, 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=n/a <=3.32.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Teplitsa of Social Technologies · Leykaversion=n/a <=3.32.3

Published CVSS scores

7.6GitHub Advisory DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-288Authentication Bypass Using an Alternate Path or Channel
CAPEC-50Password Recovery Exploitation

Public exploit references

No public exploit references are available in this record.

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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