CVE-2026-26273 CRITICAL

CVE-2026-26273: Known affected by Account Takeover via Password Reset Token Leakage

Vendor Idno
Product known
Weakness CWE-200 · Info exposure
Published February 13, 2026
Last update February 17, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Known is a social publishing platform. Prior to 1.6.3, a Critical Broken Authentication vulnerability exists in Known 1.6.2 and earlier. The application leaks the password reset token within a hidden HTML input field on the password reset page. This allows any unauthenticated attacker to retrieve the reset token for any user by simply querying the user's email, leading to full Account Takeover (ATO) without requiring access to the victim's email inbox. This vulnerability is fixed in 1.6.3.

Key dates

02Disclosure timeline

February 13, 2026 CVE published
February 17, 2026 Record updated

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04Related CVE

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