CVE-2026-55885

Grav: Admin Backup Zip File Exposes Account Credentials and Configuration Secrets

MEDIUM
6.8
CVSS Score
Published: July 10, 2026 at 04:13 PM UTC
Updated: October 25, 2026 at 03:10 PM UTC
1 product affected across 1 vendorGrav

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Severity
MEDIUM6.8
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

90%
v < 1.7.53
Affected range stops below 1.7.53, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.8MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-312CWE-522

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