CVE-2026-26273 Security Details

CVE ID

CVE-2026-26273

CWE

CWE-200

CWE-640

NVD-CWE-noinfo

CVE Description

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.

Published

Feb 16, 2026

CVSS Score & Severity

9.8Critical

CVSS Vector

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

EPSS Score

0.311%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Affected Ecosystems

affected

Source

National Vulnerability Database

References

https://github.com/advisories/GHSA-78wq-6gcv-w28rTHIRD_PARTY