What is CVE-2026-34460?

CVE-2026-34460 is a medium-severity vulnerability in Namelessmc Nameless, classified under Authentication Bypass by Assumed-Immutable Data. CVSS score: 5.4/10. Published 2026-06-02.

How severe is CVE-2026-34460?

Medium severity. CVSS v3 base score is 5.4 out of 10.

CSRF in Namelessmc Nameless

CVE-2026-34460

NamelessMC is website software for Minecraft servers. In versions 2.2.4 and prior, the OAuth callback handling does not validate the state parameter server-side before exchanging the authorization code. This allows an attacker to capture a…

EPSS: 0.000 (2.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

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

Affected products

Namelessmc Nameless — versions < 2.2.5

Weakness classification (CWE)

CWE-302 — Authentication Bypass by Assumed-Immutable Data
CWE-346 — Origin Validation Error
CWE-352 — Cross-Site Request Forgery (CSRF)

References

security-advisories@github.com (x_refsource_CONFIRM)

Frequently asked questions

What is CVE-2026-34460?: CVE-2026-34460 is a medium-severity vulnerability in Namelessmc Nameless, classified under Authentication Bypass by Assumed-Immutable Data. CVSS score: 5.4/10. Published 2026-06-02.
How severe is CVE-2026-34460?: Medium severity. CVSS v3 base score is 5.4 out of 10.