What is CVE-2025-52571?

CVE-2025-52571 is a critical-severity vulnerability in Hikariatama Hikka, classified under Improper Authentication. CVSS score: 9.6/10. Published 2025-06-24.

How severe is CVE-2025-52571?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Auth bypass in Hikariatama Hikka

CVE-2025-52571

Hikka is a Telegram userbot. A vulnerability affects all users of versions below 1.6.2, including most of the forks. It allows an unauthenticated attacker to gain access to Telegram account of a victim, as well as full access to the server. The issue is patched in version 1.6.2. No known workarounds are available.

Vulnerability class: Broken Authentication

EPSS: 0.003 (20.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Hikariatama Hikka — versions < 1.6.2

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security-advisories@github.com (x_refsource_CONFIRM)
security-advisories@github.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2025-52571?: CVE-2025-52571 is a critical-severity vulnerability in Hikariatama Hikka, classified under Improper Authentication. CVSS score: 9.6/10. Published 2025-06-24.
How severe is CVE-2025-52571?: Critical severity. CVSS v3 base score is 9.6 out of 10.