PatchTheCVECVE-2026-7879: In Concrete CMS 9.5.0 and below, the submit_password() method in concrete/controllers/single_page/download_fi
CVE-2026-7879 is a medium-severity flaw (CVSS 5.3) affecting concrete cms. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
In Concrete CMS 9.5.0 and below, the submit_password() method in concrete/controllers/single_page/download_file.php allows unauthorized file access since downloading permission-restricted files bypasses the view_file permission check. Files without passwords can be downloaded and any user who knows a file's password can download a password protected file regardless of whether they have permission to access the file. The Concrete CMS security tea
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 87%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2026-05-21 |
| Last modified | 2026-07-23 |
Last updated 2026-07-23 · 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-2026-7879?
concrete cms: upgrade to 9.5.1. Exact commands for each OS are on this page.
Is CVE-2026-7879 being exploited?
CVE-2026-7879 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-2026-7879 affect?
CVE-2026-7879 affects concrete cms. Severity is medium (CVSS 5.3). In Concrete CMS 9.5.0 and below, the submit_password() method in concrete/controllers/single_page/download_file.php allows unauthorized file access since downloading permission-restricted files bypasses the view_file permission check. File
How urgent is CVE-2026-7879?
Priority 27/100. Remotely exploitable, no login, no user action
Software pages
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