CVE-2026-26273

critical · 9.8

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.

9.8

CVSS

0.9%

EPSS (exploit prob.)

58th

EPSS percentile

2026-02-13

Published

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

Weaknesses

CWE-200CWE-640

Affected products

Vendor	Product	Affected versions
withknown	known	< 1.6.3

Check a specific version with /api/v1/cve/match.

References

https://github.com/idno/known/commit/8439a0747471559fb1ea9f074b929d390f27e66a
https://github.com/idno/known/releases/tag/1.6.3
https://github.com/idno/known/security/advisories/GHSA-78wq-6gcv-w28r

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2026-26273