CVE-2026-64827Telenia TVox 26.5.3 Authentication Bypass via set_env.php
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No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
Telenia Software TVox 26.5.3 and prior 26.x versions, and 24.9.21 and prior 24.x versions, contain an authentication bypass vulnerability in set_env.php where the redirectToLoginAdminIRequestHaveAccessToken() function derives the current page name from PHP_SELF and skips authentication when the value matches 'login_admin.php'. Attackers can append '/login_admin.php' to the path of any target PHP script to cause the authentication check to pass and gain unauthenticated access to all PHP scripts under the manager HTML directory.
- CVSS
- 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-807
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Aug 7, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Telenia Software TVox telenia_software:tvox (from the name) | from 26.0.0 through 26.5.3; from 24.0.0 through 24.9.21 | CNA record |
References
- https://karmainsecurity.com/KIS-2026-14technical-description, exploit
- https://www.teleniasoftware.com/product
- https://www.vulncheck.com/advisories/telenia-tvox-authentication-bypass-via-set-env-phpthird-party-advisory
- http://seclists.org/fulldisclosure/2026/Aug/30
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.