What is CVE-2018-25332?

CVE-2018-25332 is a critical-severity vulnerability in Gitbucket, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-05-17.

How severe is CVE-2018-25332?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Auth bypass in Gitbucket

CVE-2018-25332

GitBucket 4.23.1 contains an unauthenticated remote code execution vulnerability that allows attackers to execute arbitrary commands by exploiting weak secret token generation and insecure file upload functionality. Attackers can brute-for…

Vulnerability class: Broken Authentication

EPSS: 0.002 (41.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Gitbucket — versions 4.23.1

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (product, Not Applicable, Press/Media Coverage)
disclosure@vulncheck.com (Exploit, Patch, exploit)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2018-25332?: CVE-2018-25332 is a critical-severity vulnerability in Gitbucket, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-05-17.
How severe is CVE-2018-25332?: Critical severity. CVSS v3 base score is 9.8 out of 10.