What is CVE-2026-58455?

CVE-2026-58455 is a critical-severity vulnerability in Notifiarr Dockwatch, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-07-02.

How severe is CVE-2026-58455?

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

RCE in Notifiarr Dockwatch

CVE-2026-58455

Dockwatch through 0.6.567 contains an unauthenticated OS command injection vulnerability that allows remote attackers to execute arbitrary shell commands by exploiting a missing exit() after an authentication redirect in loader.php combine…

Vulnerability class: Command Injection (OS Command Injection)

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

Notifiarr Dockwatch — versions 0

Weakness classification (CWE)

CWE-78 — OS Command Injection
CWE-698

References

disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-58455?: CVE-2026-58455 is a critical-severity vulnerability in Notifiarr Dockwatch, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-07-02.
How severe is CVE-2026-58455?: Critical severity. CVSS v3 base score is 9.8 out of 10.