Is CVE-2026-34376 actively exploited?

No active exploitation of CVE-2026-34376 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-34376 be exploited remotely?

Yes. CVE-2026-34376 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-34376?

CVE-2026-34376 has a CVSS score of 7.5 (HIGH).

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HIGH

CVE-2026-34376

CWE-863Published: April 1, 2026· Updated: Apr 7, 2026

7.5

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.7th

Official Description

PdfDing 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.

NVD Source

Technical Analysis

CVE-2026-34376 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.