CVE-2026-5889 — MEDIUM (4.3)

Q: How severe is CVE-2026-5889?

CVE-2026-5889 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2026-5889?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos, Linux Linux Kernel, Microsoft Windows.

Vulnerability 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 Score

4.3

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

LOW

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Google	Chrome	< 147.0.7727.55
Apple	Macos	-
Linux	Linux Kernel	-
Microsoft	Windows	-

Related Weaknesses (CWE)

CWE-326

References

https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.Release NotesVendor Advisory
https://issues.chromium.org/issues/486906037Issue TrackingPermissions Required

FAQ

What is CVE-2026-5889?

CVE-2026-5889 is a vulnerability with a CVSS score of 4.3 (MEDIUM). 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 seve...

How severe is CVE-2026-5889?

CVE-2026-5889 has been rated MEDIUM with a CVSS base score of 4.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-5889?

Check the references section above for vendor advisories and patch information. Affected products include: Google Chrome, Apple Macos, Linux Linux Kernel, Microsoft Windows.