What is CVE-2025-43426?

CVE-2025-43426 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2025-11-04.

How severe is CVE-2025-43426?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2025-43426 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Apple iOS And Ipados

CVE-2025-43426

A logging issue was addressed with improved data redaction. This issue is fixed in iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1. An app may be able to access sensitive user data.

EPSS: 0.002 (16.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

CWE-532 — Insertion of Sensitive Information into Log File

Public proof-of-concept exploits

csrXamfi/CVE-2025-43426

References

product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com

Frequently asked questions

What is CVE-2025-43426?: CVE-2025-43426 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Insertion of Sensitive Information into Log File. CVSS score: 5.5/10. Published 2025-11-04.
How severe is CVE-2025-43426?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2025-43426 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.