PdfDing: Shared PDF Expiration, Max Views, and Deletion Bypass via Serve/Download Endpoints

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-34586
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-31 21:16:31 UTC
Updated2026-04-01 14:23:37 UTC
DescriptionPdfDing is a selfhosted PDF manager, viewer and editor offering a seamless user experience on multiple devices. Prior to version 1.7.1, check_shared_access_allowed() validates only session existence — it does not check SharedPdf.inactive (expiration / max views) or SharedPdf.deleted. The Serve and Download endpoints rely solely on this function, allowing previously-authorized users to access shared PDF content after expiration, view limit, or soft-deletion. This issue has been patched in version 1.7.1.

Risk And Classification

Primary CVSS: v3.1 6.5 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS: 0.000270000 probability, percentile 0.072700000 (date 2026-04-01)

Problem Types: CWE-863 | CWE-863 CWE-863: Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED6.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Mrmn2 PdfDing affected < 1.7.1 Not specified

References

ReferenceSourceLinkTags
github.com/mrmn2/PdfDing/releases/tag/v1.7.1 [email protected] github.com
github.com/mrmn2/PdfDing/security/advisories/GHSA-vfqx-2464-38wf [email protected] github.com
github.com/mrmn2/PdfDing/commit/a6783b259b25c839c52c6f2380333827a52e89eb [email protected] github.com
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