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 combined with unsanitized input passed to shell_exec() in ajax/compose.php. Attackers can seed the required session flag through the incomplete auth check, then inject arbitrary commands via the composePath POST parameter in the composePull action to achieve full host compromise, facilitated by the standard deployment mounting of the Docker socket.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.080 (94.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.080 · newest: 0.080 · change: 0.000
Affected products
- Notifiarr Dockwatch — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/Notifiarr/dockwatch/pull/135 (issue-tracking)
- www.vulncheck.com/advisories/dockwatch-unauthenticated-os-command-injection-via… (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.
- Is CVE-2026-58455 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.