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CVE Vulnerability Details :
CVE-2026-34586
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-31 Mar, 2026 | 20:27
Updated At-03 Apr, 2026 | 16:26
Rejected At-
▼CVE Numbering Authority (CNA)
PdfDing: Shared PDF Expiration, Max Views, and Deletion Bypass via Serve/Download Endpoints

PdfDing 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.

Affected Products
Vendor
mrmn2
Product
PdfDing
Versions
Affected
  • < 1.7.1
Problem Types
TypeCWE IDDescription
CWECWE-863CWE-863: Incorrect Authorization
Type: CWE
CWE ID: CWE-863
Description: CWE-863: Incorrect Authorization
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/mrmn2/PdfDing/security/advisories/GHSA-vfqx-2464-38wf
x_refsource_CONFIRM
https://github.com/mrmn2/PdfDing/commit/a6783b259b25c839c52c6f2380333827a52e89eb
x_refsource_MISC
https://github.com/mrmn2/PdfDing/releases/tag/v1.7.1
x_refsource_MISC
Hyperlink: https://github.com/mrmn2/PdfDing/security/advisories/GHSA-vfqx-2464-38wf
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/mrmn2/PdfDing/commit/a6783b259b25c839c52c6f2380333827a52e89eb
Resource:
x_refsource_MISC
Hyperlink: https://github.com/mrmn2/PdfDing/releases/tag/v1.7.1
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found