Vulnerability in Tinyauth

CVE-2026-97736

tinyauth before 5.1.3 allows rule bypass by appending an allowed route string. This is caused by an unanchored regular expression.

Published 2026-09-25.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Tinyauth

Weakness classification (CWE)

CWE-777

References

github.com/tinyauthapp/tinyauth/security/advisories/GHSA-r27r-rr9v-vv37

Frequently asked questions

What is CVE-2026-97736?: CVE-2026-97736 is a medium-severity vulnerability in Tinyauth, classified under CWE-777. CVSS score: 5.4/10. Published 2026-09-25.
How severe is CVE-2026-97736?: Medium severity. CVSS v3 base score is 5.4 out of 10.