CVE-2025-31254Network attack vector

Unexpected URL redirection via insufficient validation

Published Sep 15, 2025 · Updated Sep 15, 2025

URL validation in Apple Safari and iOS and iPadOS before 26 allows attackers to trigger unexpected redirection with crafted web content. Apple identifies Safari's URL validation as the faulty locus but has not disclosed the responsible function, parser, or URL forms accepted in error. Exposure requires attacker-controlled web content to be processed; the documented consequence is redirection, with no reported code execution or service interruption.

CVSS severity5.4
Medium
EPSS probability0.52%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

URL validation in Apple Safari and iOS and iPadOS before 26 allows attackers to trigger unexpected redirection with crafted web content. Apple identifies Safari's URL validation as the faulty locus but has not disclosed the responsible function, parser, or URL forms accepted in error. Exposure requires attacker-controlled web content to be processed; the documented consequence is redirection, with no reported code execution or service interruption.

The record

CVE
CVE-2025-31254
Published
Sep 15, 2025
Updated
Sep 15, 2025
Vendor
Apple
Product
iOS and iPadOS
Classifications
CWE-863
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 15, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 15, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <26

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Apple · iOS and iPadOSversion=unspecified <26
Apple · Safariversion=unspecified <26

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo