CVE-2026-117563

MrDoc through 1.1.1 Broken Access Control via manage_doc_share

MEDIUM
5.4
CVSS Score
Published: October 27, 2026 at 01:07 PM UTC
Updated: October 27, 2026 at 02:16 PM UTC
1 product affected across 1 vendorMrdoc

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%

Description

MrDoc through 1.1.1 contains a broken access control vulnerability in the manage_doc_share type 3 branch that allows authenticated users to modify other users' document share settings because updates lack an ownership check. Attackers can compute predictable share tokens from the MD5 of document ID and username to re-enable disabled shares or remove access codes, exposing private documents.

Affected

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

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

CVSS

5.4MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-639

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