PdfDing: Password-protected share bypass via direct serve endpoint

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-34376
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-01 18:16:30 UTC
Updated2026-04-01 18:16:30 UTC
DescriptionPdfDing is a selfhosted PDF manager, viewer and editor offering a seamless user experience on multiple devices. Prior to version 1.7.0, an access-control vulnerability allows unauthenticated users to retrieve password-protected shared PDFs by directly calling the file-serving endpoint without completing the password verification flow. This results in unauthorized access to confidential documents that users expected to be protected by a shared-link password. This issue has been patched in version 1.7.0.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

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

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

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
3.1CNADECLARED7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Mrmn2 PdfDing affected < 1.7.0 Not specified

References

ReferenceSourceLinkTags
github.com/mrmn2/PdfDing/security/advisories/GHSA-42x7-vvj4-4cj3 [email protected] github.com
github.com/mrmn2/PdfDing/pull/294 [email protected] github.com
github.com/mrmn2/PdfDing/releases/tag/v1.7.0 [email protected] github.com
github.com/mrmn2/PdfDing/commit/ae579ea98c5603d1435e0d90e81d72151564088a [email protected] github.com
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