What is CVE-2026-25559?

CVE-2026-25559 is a high-severity vulnerability in Openbullet Openbullet2, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-06-08.

How severe is CVE-2026-25559?

High severity. CVSS v3 base score is 8.8 out of 10.

Path Traversal in Openbullet Openbullet2

CVE-2026-25559

OpenBullet2 through version 0.3.2 contains a path traversal vulnerability in the wordlist endpoint that allows authenticated attackers to perform arbitrary file read, write, and delete operations by supplying unsanitized absolute paths to…

Vulnerability class: Path Traversal (Directory Traversal)

EPSS: 0.006 (43.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Openbullet Openbullet2 — versions 0

Weakness classification (CWE)

CWE-22 — Path Traversal

References

disclosure@vulncheck.com (technical-description, exploit)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-25559?: CVE-2026-25559 is a high-severity vulnerability in Openbullet Openbullet2, classified under Path Traversal. CVSS score: 8.8/10. Published 2026-06-08.
How severe is CVE-2026-25559?: High severity. CVSS v3 base score is 8.8 out of 10.