PatchTheCVECVE-2019-10774: php-shellcommand versions before 1.6.1 have a command injection vulnerability
CVE-2019-10774 is a critical-severity flaw (CVSS 9.8) affecting php-shellcommand. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
php-shellcommand versions before 1.6.1 have a command injection vulnerability. Successful exploitation could lead to arbitrary code execution.
Why this priority
- Critical severity
- EPSS top 8%: very likely to be exploited
- Public exploit reference
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 4.6% (top 8%) |
| CISA exploited list | No |
| Weakness | CWE-78 |
| Published | 2019-12-30 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2019-10774?
php-shellcommand: upgrade to 1.6.1. Exact commands for each OS are on this page.
Is CVE-2019-10774 being exploited?
CVE-2019-10774 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2019-10774 affect?
CVE-2019-10774 affects php-shellcommand. Severity is critical (CVSS 9.8). php-shellcommand versions before 1.6.1 have a command injection vulnerability. Successful exploitation could lead to arbitrary code execution.
How urgent is CVE-2019-10774?
Priority 67/100. Critical severity; EPSS top 8%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action