Cryptographic Flaw in PDFium Allows Sensitive Data Exposure

Publication date: 2026-04-08

Last updated on: 2026-04-14

Assigner: Chrome

Description

Cryptographic Flaw in PDFium in Google Chrome prior to 147.0.7727.55 allowed an attacker to read potentially sensitive information from encrypted PDFs via a brute-force attack. (Chromium security severity: Medium)

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-04-08

Last Modified

2026-04-14

Generated

2026-07-09

AI Q&A

2026-04-09

EPSS Evaluated

2026-07-08

NVD

CVE-2026-5889

EUVD

EUVD-2026-20705

Affected Vendors & Products

Vendor	Product	Version / Range
google	chrome	to 147.0.7727.55 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-326	The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required.

Attack-Flow Graph

Executive Summary

This vulnerability is a cryptographic flaw in PDFium, a component used in Google Chrome versions prior to 147.0.7727.55. It allows an attacker to read potentially sensitive information from encrypted PDF files by performing a brute-force attack.

Impact Analysis

The vulnerability can impact you by exposing sensitive information contained within encrypted PDF documents. An attacker exploiting this flaw could potentially access confidential data that was meant to be protected by encryption.

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