CVE-2026-55885 Grav: Admin Backup Zip File Exposes Account Credentials and Configuration Secrets
Authenticated administrators can download backup archives exposing password hashes and configuration secrets, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-55885?
CVE-2026-55885 is a medium-severity vulnerability in getgrav grav, published on 10 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Grav is a file-based Web platform. Prior to 1.7.53, an authenticated administrator with backup permissions can download a ZIP archive containing the full Grav installation root, including user/accounts/admin.yaml with the administrator password hash and user/config with site configuration, through the backup download endpoint protected only by the session-static admin-nonce URL parameter. This issue is reported as fixed in version 1.7.53.
Which versions are affected by CVE-2026-55885?
2 open source packages ship an affected version, including getgrav/grav.
| Package | Affected | Fixed in |
|---|---|---|
getgrav/grav Packagist | All versions | 1.7.53 |
getgrav/grav Packagist | All versions | 1.7.53 |
How do I fix CVE-2026-55885?
Upgrade getgrav/grav to 1.7.53 or later.
Is CVE-2026-55885 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-55885 exists.
Sources
Also known as GHSA-2f86-9cp8-6hcf.