Information disclosure in Idno Known
CVE-2026-26273
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…
Vulnerability class: Information Disclosure
EPSS: 0.007 (49.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Idno Known — versions < 1.6.3
- Withknown Known
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-26273?
- CVE-2026-26273 is a critical-severity vulnerability in Idno Known, classified under Information Disclosure. CVSS score: 9.8/10. Published 2026-02-13.
- How severe is CVE-2026-26273?
- Critical severity. CVSS v3 base score is 9.8 out of 10.