What is CVE-2025-31254?

CVE-2025-31254 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2025-09-15.

How severe is CVE-2025-31254?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Apple iOS And Ipados

CVE-2025-31254

This issue was addressed with improved URL validation. This issue is fixed in Safari 26, iOS 26 and iPadOS 26. Processing maliciously crafted web content may lead to unexpected URL redirection.

Vulnerability class: Broken Access Control

Published 2025-09-15 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.9th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

support.apple.com/en-us/125108 (Release Notes, Vendor Advisory)
support.apple.com/en-us/125113 (Release Notes, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-31254?: CVE-2025-31254 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Incorrect Authorization. CVSS score: 5.4/10. Published 2025-09-15.
How severe is CVE-2025-31254?: Medium severity. CVSS v3 base score is 5.4 out of 10.